{"title":"Maksutov-Cassegrain","description":null,"products":[{"product_id":"celestron-advanced-vx-700-maksutov-cassegrain-telescope","title":"Celestron Advanced VX 700 Maksutov Cassegrain Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e180mm (7.08\") Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e2700mm Focal Length at f\/15\u003c\/li\u003e\n\u003cli\u003eAdvanced VX Computerized GoTo Equatorial Mount\u003c\/li\u003e\n\u003cli\u003e30 lb Instrument Payload Capacity\u003c\/li\u003e\n\u003cli\u003eStarBright XLT Optical Coatings\u003c\/li\u003e\n\u003cli\u003eTotal Kit Weight of 75 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Advanced VX 700 Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Advanced VX 700 Mak pairs a 180mm (7.08\") f\/15 Maksutov-Cassegrain with the Advanced VX computerized \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eGerman equatorial mount\u003c\/a\u003e. It is a specialized instrument designed for detailed, high contrast views, with unparalleled views of the planets and up-close views of the lunar surface, including craters and maria. The tube gathers 661 times more light than the eye and resolves 0.52 arc seconds (Dawes); the complete kit weighs 75 lbs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e7\" Maksutov-Cassegrain Optics: 2700mm at f\/15\u003c\/h3\u003e\n      \u003cp\u003eThe Mak is a catadioptric telescope: light passes through the corrector lens to the primary mirror and back to the secondary before reaching the eyepiece, and images are bright, sharp and virtually free of chromatic aberration. Instead of a separate secondary mirror, the Mak has a secondary spot of reflective coating applied to the inside of the corrector plate, so it does not need the occasional collimation a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e does; the spot is also significantly smaller than a Schmidt-Cassegrain secondary, which accounts for the Mak's signature high-contrast views.\u003c\/p\u003e\n      \u003cp\u003eThe 180mm aperture and 2700mm focal length give 661x the light gathering power of the eye, a limiting stellar magnitude of 13.9 and a resolution of 0.64 arc seconds (Rayleigh) or 0.52 arc seconds (Dawes). The central obstruction is 42mm (1.65\"), 23.3% by diameter and 5.45% by area. The aluminum tube is 571.5mm (22.5\") long and 222.25mm (8.75\") in diameter, weighs 19 lbs (8.6 kg), has StarBright XLT coatings and mounts with its CGE dovetail bar.\u003c\/p\u003e\n      \u003cp\u003eAstronomers in urban areas will especially appreciate the Mak's ability to bring out more contrast in celestial objects, and because the kit disassembles into separate, manageable pieces, it is also a great choice for transporting to dark sky sites.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eEyepiece, Diagonal, Finder and Focusing\u003c\/h3\u003e\n      \u003cp\u003eThe included 28mm eyepiece has a 2\" barrel and gives 96x; the highest useful magnification is 420x and the lowest is 67x. It goes in the 2\" star diagonal, which comes with a 1.25\" adapter, on the 2\" visual back that threads onto the rear cell with its knurled slip ring.\u003c\/p\u003e\n      \u003cp\u003eThe 8x50 straight-through finderscope slides into the dovetail mounting bracket on the top left of the rear cell. Align it during the day on a distant object at least a quarter mile away, using the two adjustment knobs on its bracket.\u003c\/p\u003e\n      \u003cp\u003eThe focus knob sits just to the right of the visual back. The mechanism is very fine and can take quite a few turns to go through the entire range of focus, so the first time, turn it slowly and work from one stop to the other. The larger, heavier \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector plate takes longer to cool down and adjust to ambient air temperature than a Schmidt-Cassegrain corrector of the same aperture.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Advanced VX Mount: 30 lb Payload and DC Servo Motors\u003c\/h3\u003e\n      \u003cp\u003eThe Advanced VX sets a standard in mid-level telescopes, with many of the features found on Celestron's most sophisticated German equatorial mounts: All-Star Polar Alignment, Celestron PWI telescope control software and permanently programmable periodic error correction (PPEC). It is the smallest of Celestron's German equatorial mounts. The Advanced VX carries 30 lbs, not including the counterweight. Features include high-torque, low-cog DC servo motors with encoders on both axes to smoothly drive heavier loads, permanently programmable periodic error correction (PPEC), a dedicated \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eautoguider\u003c\/a\u003e port, large, easy-to-access polar alignment knobs and an ergonomic design that disassembles into compact, portable pieces. The latitude range is 7° to 77°, and the mount slews at nine speeds up to 4° per second, tracking at sidereal, lunar and solar rates in EQ North and EQ South.\u003c\/p\u003e\n      \u003cp\u003eThe 30 lb payload, which does not include the counterweights, gives a sturdy platform for any of the Advanced VX optical tubes, even with optional accessories such as \u003ca href=\"\/en-int\/products\/celestron-starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e, a focus motor, a finderscope and a camera.\u003c\/p\u003e\n      \u003cp\u003eTo balance in R.A., loosen the R.A. clutch lever with the counterweight bar horizontal and move the counterweight until the telescope stays put; in Dec, loosen the DEC clutch with the tube level and slide the tube in the \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e. Celestron's tip for imaging is a very slight imbalance, toward the counterweight side when the tube is west of the mount and toward the tube when it is east, so the worm gear always pushes against a slight load.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eDual Saddle Plate and the 2\" Steel Tripod\u003c\/h3\u003e\n      \u003cp\u003eThe dual saddle plate takes the narrower 1.75\" V-plate (CG-5, Vixen-style) dovetail or the wider 3\" (75mm) D-plate style used on Celestron's CGEM, CGX and CGX-L. It ships set up for the V-plate; removing two bolts on the left side of the saddle with a 6mm Allen key converts it for the wider bar. On its product page Celestron adds that the saddle takes Vixen format dovetails 100mm or longer, and that other makers' D format plates are not compatible, whoever makes them; the wide side is for Celestron's CGE-style bar.\u003c\/p\u003e\n      \u003cp\u003eThe tripod is impressive for its class: 2\" (50.8mm) stainless steel legs give an extra-wide stance for improved stability, and with the mount it adjusts from 1118mm to 1626mm (44\" to 64\"). The head weighs 17 lbs (7.71 kg), the tripod 18 lbs (8.16 kg). This kit includes two 12 lb counterweights.\u003c\/p\u003e\n      \u003cp\u003eThe tripod comes fully assembled, with an all-metal center leg brace and accessory tray for rock solid support. The alignment peg ships between two legs, so the counterweight bar extends between them; you can move it over a leg, but observers at lower latitudes will prefer it between two legs so the counterweight clears the tripod at the bottom of its swing. The azimuth adjustment knobs are removed for shipping and attach to the mount at setup.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eNexStar+ Hand Control and Celestron PWI Software\u003c\/h3\u003e\n      \u003cp\u003eThe NexStar+ hand control has an LCD and 19 fiber-optic backlit LED buttons, and its database holds over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. With automatic slewing and menu descriptions, any level of astronomer can master the mount in just a few observing sessions; beginners can start with the Sky Tour, which finds the most interesting objects in the sky and slews to each one.\u003c\/p\u003e\n      \u003cp\u003eAlignment procedures are 2-Star, 1-Star, Solar System, Last Alignment and Quick Align, and calibration stars added after a two-star alignment improve pointing accuracy. The mount tracks at sidereal, solar and lunar rates in EQ North and EQ South modes.\u003c\/p\u003e\n      \u003cp\u003eCelestron includes Celestron PWI (CPWI) telescope control software, with a graphical planetarium interface and PointXP mount modelling that adds 100+ points to the alignment model, saving and reloading the alignment and parking the scope for remote observatory setups, and a complete ASCOM telescope interface for third-party software. A free download of Starry Night Special Edition, which can also control the telescope, and the SkyPortal app are included too.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eImaging: PPEC, All-Star Polar Alignment and Slew Limits\u003c\/h3\u003e\n      \u003cp\u003ePeriodic Error Correction improves tracking by reducing the amplitude of the worm errors. Recording PEC takes three steps: the mount indexes its worm gear, you guide with an autoguider for at least 10 minutes (one full worm revolution) while it records your corrections, and then you play them back. The mount retains the recording, and PEC is meant for advanced astrophotography and still needs careful guiding.\u003c\/p\u003e\n      \u003cp\u003eAll-Star Polar Alignment lets you polar align accurately using any bright star, even when the celestial pole is hidden. After a two-star alignment with at least one calibration star, you slew to a bright star from the Named Star list, ideally high in the sky and near the meridian, and choose Polar Align, then Align Mount. The mount syncs on the star and slews to where it should be if accurately polar aligned, and you center it with the mount's latitude and azimuth adjustments, not the hand control's direction buttons.\u003c\/p\u003e\n      \u003cp\u003eThe R.A. slew limits can be set anywhere from 40° above level to 20° below, so the mount can keep tracking past the meridian without flipping, or stop before an imaging cable runs out of length, and the Meridian setting (Favor Current, Favor West, Favor East or Disable) chooses which side of the mount the tube stays on. Built-in calibration routines compensate for the mechanical variation found in every German equatorial mount; running them is recommended, and most need doing only once.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePorts, PC Control and Power\u003c\/h3\u003e\n      \u003cp\u003eThe mount has a hand control port, two AUX ports for optional accessories such as StarSense AutoAlign and an autoguider port. A mini USB cable (not included) from a computer to the port on the bottom of the NexStar+ hand control links it to software and updates the hand control firmware without external power or the mount.\u003c\/p\u003e\n      \u003cp\u003ePower is 12V DC at 3.5A, tip positive. The supplied car battery adapter cable plugs into a car's cigarette lighter outlet or a portable \u003ca href=\"\/en-int\/collections\/power-accessories\"\u003epower supply\u003c\/a\u003e, or you can use Celestron's optional 12V AC adapter; use only adapters Celestron supplies, as others may damage the electronics and void the warranty.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification does the included eyepiece give?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 28mm eyepiece gives 96x (2700mm \/ 28mm). The highest useful magnification is 420x and the lowest is 67x.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Mak need collimating?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eInstead of a separate secondary mirror, the Mak has a secondary spot of reflective coating applied to the inside of the corrector plate, so it does not need the occasional collimation a Schmidt-Cassegrain does; the spot is also significantly smaller than a Schmidt-Cassegrain secondary, which accounts for the Mak's signature high-contrast views.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the Mak take longer to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe larger, heavier Maksutov corrector plate takes longer to cool down and adjust to ambient air temperature than a Schmidt-Cassegrain corrector of the same aperture.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does Celestron say the 700 Mak is best for?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIt is designed for detailed, high contrast views, with unparalleled views of the planets and up-close views of the lunar surface, including craters and maria. Astronomers in urban areas will especially appreciate the Mak's ability to bring out more contrast in celestial objects, and because the kit disassembles into separate, manageable pieces, it is also a great choice for transporting to dark sky sites.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I polar align the Advanced VX if I can't see the celestial pole?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. All-Star Polar Alignment lets you polar align accurately using any bright star, even when the celestial pole is hidden. After a two-star alignment with at least one calibration star, you slew to a bright star from the Named Star list, ideally high in the sky and near the meridian, and choose Polar Align, then Align Mount. The mount syncs on the star and slews to where it should be if accurately polar aligned, and you center it with the mount's latitude and azimuth adjustments, not the hand control's direction buttons.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does PPEC work on the Advanced VX?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003ePeriodic Error Correction improves tracking by reducing the amplitude of the worm errors. Recording PEC takes three steps: the mount indexes its worm gear, you guide with an autoguider for at least 10 minutes (one full worm revolution) while it records your corrections, and then you play them back. The mount retains the recording, and PEC is meant for advanced astrophotography and still needs careful guiding.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan the Advanced VX track past the meridian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe R.A. slew limits can be set anywhere from 40° above level to 20° below, so the mount can keep tracking past the meridian without flipping, or stop before an imaging cable runs out of length, and the Meridian setting (Favor Current, Favor West, Favor East or Disable) chooses which side of the mount the tube stays on.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I balance the telescope on the Advanced VX?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eTo balance in R.A., loosen the R.A. clutch lever with the counterweight bar horizontal and move the counterweight until the telescope stays put; in Dec, loosen the DEC clutch with the tube level and slide the tube in the saddle. Celestron's tip for imaging is a very slight imbalance, toward the counterweight side when the tube is west of the mount and toward the tube when it is east, so the worm gear always pushes against a slight load.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power does the Advanced VX need?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003ePower is 12V DC at 3.5A, tip positive. The supplied car battery adapter cable plugs into a car's cigarette lighter outlet or a portable power supply, or you can use Celestron's optional 12V AC adapter; use only adapters Celestron supplies, as others may damage the electronics and void the warranty.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich dovetails does the Advanced VX saddle take?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe dual saddle plate takes the narrower 1.75\" V-plate (CG-5, Vixen-style) dovetail or the wider 3\" (75mm) D-plate style used on Celestron's CGEM, CGX and CGX-L. It ships set up for the V-plate; removing two bolts on the left side of the saddle with a 6mm Allen key converts it for the wider bar. On its product page Celestron adds that the saddle takes Vixen format dovetails 100mm or longer, and that other makers' D format plates are not compatible, whoever makes them; the wide side is for Celestron's CGE-style bar.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the telescope from a computer?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA mini USB cable (not included) from a computer to the port on the bottom of the NexStar+ hand control links it to software and updates the hand control firmware without external power or the mount. Celestron includes Celestron PWI (CPWI) telescope control software, with a graphical planetarium interface and PointXP mount modelling that adds 100+ points to the alignment model, saving and reloading the alignment and parking the scope for remote observatory setups, and a complete ASCOM telescope interface for third-party software. A free download of Starry Night Special Edition, which can also control the telescope, and the SkyPortal app are included too.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e180mm (7.08\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2700mm (106.3\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eStarBright XLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003e8x50 Straight Through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Star Diagonal with 1.25\" adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e28mm (2\" Barrel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepiece)\u003c\/td\u003e\n\u003ctd\u003e96x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e420x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e67x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e13.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e0.64 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e0.52 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e661x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentral Obstruction Diameter\u003c\/td\u003e\n\u003ctd\u003e42mm (1.65\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentral Obstruction (Area)\u003c\/td\u003e\n\u003ctd\u003e5.45%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentral Obstruction (Diameter)\u003c\/td\u003e\n\u003ctd\u003e23.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e571.5mm (22.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e222.25mm (8.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e19 lbs (8.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eCGE Dovetail Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized German Equatorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument Load Capacity\u003c\/td\u003e\n\u003ctd\u003e30 lbs (13.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e2\" Stainless Steel Legs, Adjustable Height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e1118mm - 1626mm (44\" – 64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e7° - 77°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDC servo motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 speeds, max 4°\/second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar, Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eEQ North \u0026amp; EQ South\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003e2-Star Align, 1-Star Align, Solar System Align, Last Alignment, Quick Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+, USB upgradable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatabase\u003c\/td\u003e\n\u003ctd\u003e40,000+ objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Compatibility\u003c\/td\u003e\n\u003ctd\u003eDual saddle (CG-5 and CGE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Ports\u003c\/td\u003e\n\u003ctd\u003e3 (1 Hand Control, 2 AUX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eYes (on Hand Control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3.5A (tip positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e17 lbs (7.71 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e18 lbs (8.16 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweights\u003c\/td\u003e\n\u003ctd\u003e2 x 12 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Kit Weight\u003c\/td\u003e\n\u003ctd\u003e75 lbs (34.02 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e7\" Maksutov-Cassegrain Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCGE Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Visual Back\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Star Diagonal w\/ 1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm Eyepiece (2\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8x50 Straight-Through Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFinderscope Bracket\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAdvanced VX Equatorial Mount \u0026amp; Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCounterweight - 12 lbs\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDC Power Cable (Cigarette Lighter)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Advanced_VX_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256\n 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Advanced VX Mount Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Controller Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Telescope Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967155728669,"sku":"CEL-12035","price":3613.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Advanced-VX-700-Maksutov-Cassegrain-Telescope-12035-1__19737.1594230335.1280.1280.jpg?v=1684337531"},{"product_id":"celestron-astro-fi-102mm-maksutov-cassegrain-telescope","title":"Celestron Astro Fi 102mm Maksutov-Cassegrain Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e102mm (4.02\") Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1325mm Focal Length and f\/13 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eIntegrated WiFi for full control via smartphone or tablet\u003c\/li\u003e\n\u003cli\u003eIncludes 53x and 132x magnification eyepieces\u003c\/li\u003e\n\u003cli\u003eTotal kit weight of just 16 lbs (7.25 kg)\u003c\/li\u003e\n\u003cli\u003eLens cap doubles as a smartphone adapter for imaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Astro Fi 102mm Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Astro Fi 102 is a 102mm (4\") f\/13 Maksutov-Cassegrain on a computerized single fork arm \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealt-azimuth mount\u003c\/a\u003e with built-in WiFi: you point and control it from your phone or tablet with Celestron's SkyPortal app instead of a \u003ca href=\"\/en-int\/collections\/hand-controllers-and-drives\"\u003ehand control\u003c\/a\u003e. It is perfect for terrestrial and celestial viewing on the go; the star diagonal gives a right-side-up view for use as a \u003ca href=\"\/en-int\/collections\/spotting-scopes\"\u003espotting scope\u003c\/a\u003e by day, and the whole kit weighs 16 lbs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e102mm Maksutov-Cassegrain Optics\u003c\/h3\u003e\n      \u003cp\u003eThe Maksutov-Cassegrain is a catadioptric design with both a lens and mirrors: light passes through the corrector lens to the primary mirror and back to a secondary before reaching the eyepiece, and the images are bright, sharp and virtually free of chromatic aberration. Instead of a separate secondary mirror, the secondary is a spot of reflective coating applied to the inside of the corrector, so the telescope does not need the occasional collimation of a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e, and the small spot gives the Mak its high-contrast views.\u003c\/p\u003e\n      \u003cp\u003eThe 102mm aperture and 1325mm focal length give 212x the light gathering power of the eye, a limiting stellar magnitude of 12.5 and a resolution of 1.37 arc seconds (Rayleigh) or 1.14 arc seconds (Dawes). The secondary obstruction is 34% by diameter and 12% by area, and the optics are fully coated. The aluminum tube is 381mm (15\") long and 117mm (4.6\") in diameter and weighs 6 lbs (2.7 kg). The larger, heavier \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eWiFi and the SkyPortal App\u003c\/h3\u003e\n      \u003cp\u003eThe Astro Fi broadcasts its own WiFi network for Celestron's SkyPortal app, which replaces the traditional hand control for a fully wireless experience. Connect your phone or tablet to the telescope's \"Celestron-xx\" network, open SkyPortal and select Connect to Telescope: arrows move the telescope up and down (altitude) and left and right (azimuth), and a slider sets the motor speed. Because of the amount of information SkyPortal holds, download it before you go out to observe.\u003c\/p\u003e\n      \u003cp\u003eSkyPortal's interactive planetarium lets you hold your device up to the sky to identify bright stars, constellations, planets and deep-sky objects. Tap an object and select GoTo, or use the search icon to enter a name such as Orion Nebula, Jupiter or Pleiades. While you observe, SkyPortal shows information about the object, and it can generate a Sky Tour of the best objects for your exact time and location.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSkyAlign and Tracking\u003c\/h3\u003e\n      \u003cp\u003eTo align, set up the telescope with the 25mm eyepiece, level the tripod, plug in the battery pack and connect to the telescope's network. Confirm the time and location in SkyPortal, which normally update automatically from your device, then select the telescope icon and Connect and Align; the app walks you through each step. With SkyAlign you center any three bright objects in the eyepiece and the telescope calculates its position; 3-Star Align and Solar System Align are also available. Once aligned, the telescope finds any object you select and tracks it as the Earth rotates, keeping it centered, which makes it easy to share views with family and friends.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Computerized Mount and Power\u003c\/h3\u003e\n      \u003cp\u003eThe computerized single fork arm alt-azimuth mount uses DC servo motors, slews at up to 3 degrees per second and tracks at sidereal, solar and lunar rates, in Alt-Az, EQ North and EQ South modes. Its instrument load capacity is 8 lbs (3.6 kg), and the tube attaches by a CG-5 \u003ca href=\"\/en-int\/collections\/dovetail-plates\"\u003edovetail bar\u003c\/a\u003e. Two AUX ports take optional accessories; there is no autoguide port and no periodic error correction. A USB port comes only with the optional NexStar+ hand control, sold separately, which provides over 40,000 objects in its database. Do not push the telescope left and right by hand while it is off.\u003c\/p\u003e\n      \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the supplied battery pack, on a 12V DC source with at least 1 amp (tip positive), or on a Celestron PowerTank, sold separately. Plug the battery pack into the power port on the base: the red WiFi light on the arm shows that it has power and is WiFi-ready. The small switch near the power socket must be in the right position, and the battery pack stays in the accessory tray.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eTripod and Assembly\u003c\/h3\u003e\n      \u003cp\u003eNo tools are needed. Open the tripod until the center brace is fully extended, thread the captive center bolt into the accessory tray, place the fork arm on the tripod and secure it with the captive knob under the tripod top, then seat the tube's dovetail flat in the fork arm's dovetail holder and firmly tighten the thumb bolt. Adjust the legs to a comfortable height and level the tripod with the lock knobs.\u003c\/p\u003e\n      \u003cp\u003eThe adjustable aluminum tripod has 31.75mm (1.25\") legs and adjusts from 863.6mm to 1371.6mm (34\" to 54\") with the mount. The mount head and the tripod each weigh 5 lbs (2.3 kg), and the accessory tray includes a rubberized holder for your phone or a small tablet.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eEyepieces, Star Diagonal and the StarPointer\u003c\/h3\u003e\n      \u003cp\u003eTwo 1.25\" eyepieces are included: the 25mm gives 53x and the 10mm 132x (1325mm divided by the eyepiece focal length). The highest useful magnification is 241x and the lowest is 15x; always start with the 25mm to find a target before switching to the 10mm for a closer look. Insert the star diagonal into the \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e and tighten the two silver thumbscrews, then secure the eyepiece with the two thumbscrews on the diagonal; the diagonal puts the eyepiece at a comfortable 90 degree angle. With the mirror star diagonal in place the image is the right way up but reversed left to right, which is normal when using a star diagonal.\u003c\/p\u003e\n      \u003cp\u003eThe StarPointer red dot finderscope slides into the dovetail base on the tube near the focuser and locks with a silver thumbscrew. Align it once, in daylight, on something at least a quarter mile away, such as a streetlight, a license plate or a tall tree: with the telescope off, move the whole tripod to point it, center the object in the 25mm eyepiece by moving the tube up and down, then turn the finder on (its power knob clicks and also sets the dot's brightness) and use its two adjustment knobs to put the red dot on the object. It should not need realigning unless it is bumped or dropped; turn it off after use to save its battery.\u003c\/p\u003e\n      \u003cp\u003eMagnification is the telescope's focal length divided by the eyepiece's. Celestron's Telescope Basics manual suggests finding objects with the longest focal length (lowest power) eyepiece, which gives the widest field, then switching to the higher power eyepiece for a closer view. If bright stars twinkle or change color, the air is not steady enough for high magnification, and a lower power will give a steadier view.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSmartphone Imaging with the Lens Cap Adapter\u003c\/h3\u003e\n      \u003cp\u003eThe lens cap doubles as a smartphone adapter. Pull the orange plug out of the camera opening by its lanyard, slide your phone under the bungee straps so the camera looks through the opening (eight anchor points let you angle the straps to suit where your camera sits), and center the \u003ca href=\"\/en-int\/collections\/camera-lenses-and-adapters\"\u003ecamera lens\u003c\/a\u003e in the opening. Then secure an eyepiece in the holder inside the cap and insert it into the telescope like any eyepiece, turn the phone's flash off, and focus on the phone's screen. It fits any smartphone and any eyepiece with an outside diameter of 45mm or smaller; most phones fit with the case on, but a very large or folio-style case may need to come off.\u003c\/p\u003e\n      \u003cp\u003ePractice in daylight first, then on the Moon, and start with the low-power eyepiece before trying the 10mm. Standard camera apps adjust focus and exposure automatically, which tends to overexpose a bright Moon or planet against a black sky, so an app with manual focus and exposure helps; a 2, 5 or 10 second shutter delay lets vibrations die down. This method can capture daytime land objects, the Moon and the bright planets (Venus, Mars, Jupiter and Saturn), but phone sensors are not made for very low light, so galaxies and nebulae are out of reach.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eWhat You Can See and Observing Tips\u003c\/h3\u003e\n      \u003cp\u003eThe Astro Fi offers views of craters on the Moon, the rings of Saturn, the Great Red Spot on Jupiter, the Orion Nebula and the Hercules Globular Cluster at night. Nebulae do not look like the colourful long-exposure photographs in books: the eye is most sensitive to green, so most nebulae appear greenish-grey in the eyepiece.\u003c\/p\u003e\n      \u003cp\u003eCelestron's Telescope Basics manual suggests giving the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allowing about 30 minutes for your eyes to fully dark-adapt, using a \u003ca href=\"\/en-int\/collections\/red-lights-and-observing-gear\"\u003ered LED flashlight\u003c\/a\u003e at low brightness if you need light. Because the Earth rotates, objects drift across the eyepiece, faster at higher magnification. Celestron's Telescope Basics manual suggests positioning the telescope just ahead of the target and letting it drift through the field.\u003c\/p\u003e\n      \u003cp\u003eIf you wear glasses, Celestron's Telescope Basics manual suggests checking whether you see the same field with and without them; if not, observe without them and refocus. For additional eyepieces, it suggests designs with at least 18mm of eye relief if you want to keep your glasses on. Celestron also includes Starry Night Special Edition software for your computer, to learn about the night sky and plan observing sessions; you don't need it to use the telescope.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a hand control?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo. The Astro Fi creates its own WiFi network and Celestron's SkyPortal app replaces the hand control. An optional NexStar+ hand control, sold separately, adds a USB port and a database of over 40,000 objects.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eTo align, set up the telescope with the 25mm eyepiece, level the tripod, plug in the battery pack and connect to the telescope's network. Confirm the time and location in SkyPortal, which normally update automatically from your device, then select the telescope icon and Connect and Align; the app walks you through each step. With SkyAlign you center any three bright objects in the eyepiece and the telescope calculates its position; 3-Star Align and Solar System Align are also available. Once aligned, the telescope finds any object you select and tracks it as the Earth rotates, keeping it centered, which makes it easy to share views with family and friends.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat powers the Astro Fi?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the supplied battery pack, on a 12V DC source with at least 1 amp (tip positive), or on a Celestron PowerTank, sold separately. Plug the battery pack into the power port on the base: the red WiFi light on the arm shows that it has power and is WiFi-ready. The small switch near the power socket must be in the right position, and the battery pack stays in the accessory tray.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification do the included eyepieces give?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 25mm eyepiece gives 53x and the 10mm 132x. The highest useful magnification is 241x and the lowest is 15x.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use it as a spotting scope during the day?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The star diagonal gives a right-side-up view for using the Astro Fi as a spotting scope during the day; the image is reversed left to right. Never point it at the Sun without a proper full-aperture \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes a Maksutov need collimation?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eNo: the secondary is a reflective spot on the inside of the corrector, so the telescope does not require the occasional collimation of a Schmidt-Cassegrain.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow long does it take to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe larger, heavier Maksutov corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views. Give the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allow about 30 minutes for your eyes to fully dark-adapt, using a red LED flashlight at low brightness if you need light.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I take pictures with my phone?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe lens cap doubles as a smartphone adapter. Pull the orange plug out of the camera opening by its lanyard, slide your phone under the bungee straps so the camera looks through the opening (eight anchor points let you angle the straps to suit where your camera sits), and center the camera lens in the opening. Then secure an eyepiece in the holder inside the cap and insert it into the telescope like any eyepiece, turn the phone's flash off, and focus on the phone's screen. It fits any smartphone and any eyepiece with an outside diameter of 45mm or smaller; most phones fit with the case on, but a very large or folio-style case may need to come off.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I photograph with a phone?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe lens cap adapter can capture daytime land objects, the Moon and the bright planets (Venus, Mars, Jupiter and Saturn). Phone sensors are not made for very low light, so galaxies and nebulae are out of reach.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes it track objects?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. Once aligned, the motorized mount tracks at sidereal, solar and lunar rates, keeping objects centered as the Earth rotates.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow much does it weigh?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe total kit weighs 16 lbs (7.25 kg): the optical tube 6 lbs (2.7 kg), the mount head 5 lbs and the tripod 5 lbs.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software is included?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe SkyPortal app controls the telescope, and Celestron also includes Starry Night Special Edition software for your computer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e102mm (4.02\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1325mm (52.17\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 1 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e25mm (53x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 2 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e10mm (132x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003eStarPointer™ red dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e241x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e15x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e1.37 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e212x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Obstruction\u003c\/td\u003e\n\u003ctd\u003e34% by Diameter \/ 12% by Area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e381mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e6 lbs (2.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eCG-5 Dovetail bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized Altitude-Azimuth Single Fork Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument Load Capacity\u003c\/td\u003e\n\u003ctd\u003e8 lbs (3.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eAluminum, 1.25\" legs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e863.6mm - 1371.6mm (34\" - 54\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Kit Weight\u003c\/td\u003e\n\u003ctd\u003e16 lbs (7.25 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003eUp to 3°\/second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar, and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003eSkyAlign, 3-Star Align, Solar System Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e12V DC, 1A (Tip positive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eIntegrated WiFi, 2x AUX Ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube outer diameter\u003c\/td\u003e\n\u003ctd\u003e117mm (4.6\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements \/ glass\u003c\/td\u003e\n\u003ctd\u003eMaksutov corrector lens, primary mirror, secondary spot on the corrector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear \/ Camera-Side Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" eyepiece holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAstro Fi 102mm Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSingle Fork Arm Alt-Az Mount \u0026amp; Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray with Smartphone Holder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e10mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eStarPointer Red Dot Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Visual Back\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLens Cap with Integrated Smartphone Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBattery Pouch\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Astro_Fi_Series_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Astro Fi Series Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967156973853,"sku":"CEL-22202","price":806.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Astro-Fi-102mm-Maksutov-Cassegrain-Telescope-22202-1__53702.1594230344.1280.1280.jpg?v=1684337629"},{"product_id":"celestron-cgem-ii-700-maksutov-cassegrain-telescope","title":"Celestron CGEM II 700 Maksutov-Cassegrain Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e180mm (7.08\") Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e2700mm Focal Length (f\/15)\u003c\/li\u003e\n\u003cli\u003eStarBright XLT Optical Coatings\u003c\/li\u003e\n\u003cli\u003eCGEM II Computerized Equatorial Mount with 40 lb Load Capacity\u003c\/li\u003e\n\u003cli\u003eNexStar+ Hand Control with 40,000+ Object Database\u003c\/li\u003e\n\u003cli\u003ePermanent Periodic Error Correction (PPEC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron CGEM II 700 Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron CGEM II 700 Mak pairs a 180mm (7.08\") f\/15 Maksutov-Cassegrain with the CGEM II computerized equatorial mount. It is a specialized instrument designed for detailed, high contrast views of smaller celestial objects like the planets, with unparalleled planetary views and up-close views of the lunar surface, including craters and maria, and Maks are also well suited to hunting smaller, fainter deep sky objects such as globular clusters and planetary nebulae. The tube gathers 661 times more light than the eye and resolves 0.52 arc seconds (Dawes); the complete kit weighs 90.5 lbs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e7\" Maksutov-Cassegrain Optics: 2700mm at f\/15\u003c\/h3\u003e\n      \u003cp\u003eThe Mak is a catadioptric telescope: light passes through the corrector lens to the primary mirror and back to the secondary before reaching the eyepiece, and images are bright, sharp and virtually free of chromatic aberration. Instead of a separate secondary mirror, the Mak has a secondary spot of reflective coating applied to the inside of the corrector plate, so it does not need the occasional collimation a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e does; the spot is also significantly smaller than a Schmidt-Cassegrain secondary, which gives the Mak its signature high-contrast views.\u003c\/p\u003e\n      \u003cp\u003eThe 180mm aperture and 2700mm focal length give 661x the light gathering power of the eye, a limiting stellar magnitude of 13.9 and a resolution of 0.64 arc seconds (Rayleigh) or 0.52 arc seconds (Dawes). The secondary obstruction is 22% by diameter and 5% by area. The tube is 571.5mm (22.5\") long and 222.25mm (8.75\") in diameter, weighs 19 lbs (8.6 kg), has StarBright XLT coatings and connects directly to the CGEM II with its CGE dovetail bar.\u003c\/p\u003e\n      \u003cp\u003eAstronomers in urban areas will appreciate the Mak's ability to bring out more contrast in celestial objects, and transporting the whole system to a dark site is not a problem either.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e2\" Accessories, Finder and Focusing\u003c\/h3\u003e\n      \u003cp\u003eThe kit comes with a 2\" visual back, a 2\" star diagonal with 1.25\" adapter, a 28mm wide-field 2\" eyepiece that gives 96x, and a large 8x50 straight-through finderscope. The tube accommodates larger 2\" accessories, such as 2\" \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e, Celestron's 2\" eyepiece and filter kit, and larger wide-field eyepieces. The highest useful magnification is 420x and the lowest is 67x.\u003c\/p\u003e\n      \u003cp\u003eThe finderscope slides into the dovetail mounting bracket on the top left of the rear cell. Align it during the day on a distant object at least a quarter mile away, using the two adjustment knobs on its bracket.\u003c\/p\u003e\n      \u003cp\u003eThe focus knob sits just to the right of the visual back. The mechanism is very fine and can take quite a few turns to go through the entire range of focus, so the first time, turn it slowly and work from one stop to the other. The larger, heavier \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector plate takes longer to cool down and adjust to ambient air temperature than a Schmidt-Cassegrain corrector of the same aperture.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe CGEM II Mount: 40 lb Payload and Permanent PEC\u003c\/h3\u003e\n      \u003cp\u003eThe CGEM II is a fresh update to the venerable CGEM mount, capable of carrying Celestron's higher-end SCT optical tubes, up to 11\", securely and vibration free, for both imaging and visual observing. The CGEM II carries 40 lbs. Its features include high-torque motors to smoothly drive heavier loads, low-cog DC servo motors, permanently programmable periodic error correction (PPEC), a dedicated \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eautoguider\u003c\/a\u003e port, large, easy-to-access polar alignment knobs and an ergonomic design that disassembles into compact, portable pieces. The latitude range is 15° to 70°, and the mount slews at nine speeds, tracking at sidereal, solar and lunar rates.\u003c\/p\u003e\n      \u003cp\u003eCelestron designed the CGEM II to be ergonomically friendly, with large altitude and azimuth adjustment knobs for quick and easy polar alignment, and internal R.A. and DEC motor wiring for a clean look and an easy, trouble-free setup. The \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e connects directly to both CG-5 and CGE dovetail bars.\u003c\/p\u003e\n      \u003cp\u003eTo balance in R.A., loosen the R.A. lock lever with the counterweight bar horizontal and move the counterweight until the telescope stays put; in Dec, loosen the DEC clutch with the tube level and slide the tube in the saddle. Celestron's tip for imaging is a very slight imbalance, toward the counterweight side when the tube is west of the mount and toward the tube when it is east, so the worm gear always pushes against a slight load.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eTripod, Polar Alignment and All-Star\u003c\/h3\u003e\n      \u003cp\u003eThe steel tripod has 2\" (50.8mm) legs with graduated markings on the lower section and weighs 20 lbs (9 kg); with the mount, the height range is 1346mm to 1651mm (53\" to 65\"). The equatorial head weighs 40 lbs (18.14 kg). This kit includes one 17 lb and one 12 lb counterweight.\u003c\/p\u003e\n      \u003cp\u003ePolar alignment is done not by moving the telescope in R.A. or Dec but with the mount's altitude and azimuth adjustments; both azimuth knobs push against the alignment peg on the tripod head, so you may have to loosen one while tightening the other. A bubble level built into the mount helps you level the tripod.\u003c\/p\u003e\n      \u003cp\u003eAll-Star Polar Alignment lets you polar align accurately using any bright star, even when the celestial pole cannot be seen. After a two-star alignment with at least one calibration star, you slew to a bright star from the Named Star list, ideally high in the sky and near the meridian, and choose Polar Align, then Align Mount. The mount syncs on the star and slews to where it should be if accurately polar aligned, and you center it with the mount's latitude and azimuth adjustments, not the hand control's direction buttons.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eNexStar+ Hand Control and Software\u003c\/h3\u003e\n      \u003cp\u003eThe NexStar+ hand control has a 2 line, 18 character backlit LCD and 19 LED backlit buttons, and its database holds over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. New observers can start with the built-in Sky Tour, which finds the most interesting objects in the sky and slews to each one.\u003c\/p\u003e\n      \u003cp\u003eThe mount slews at 9 speeds up to 4.5° per second and tracks at sidereal, solar and lunar rates in EQ North and EQ South modes. Alignment procedures are 2-Star, 1-Star, Solar System, Last Alignment and Quick Align; after a two-star alignment you can add calibration stars to improve pointing accuracy.\u003c\/p\u003e\n      \u003cp\u003eThe hand control's USB port connects to a computer for point-and-click slewing from software and for firmware updates; updating the hand control with Celestron Firmware Manager may resolve some problems. The mount's software is Starry Night Special Edition and the SkyPortal app.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eImaging: Permanent PEC, Autoguiding and Tracking Past the Meridian\u003c\/h3\u003e\n      \u003cp\u003ePeriodic Error Correction improves tracking by reducing the amplitude of the worm errors. It works in three steps: the mount indexes its worm gear, you guide with an autoguider for at least 10 minutes (one full worm revolution) while it records your corrections, and then you play them back. The mount retains the recording, and PEC is for advanced astrophotography and still needs careful guiding.\u003c\/p\u003e\n      \u003cp\u003eThe CGEM II tracks well past the meridian for uninterrupted imaging through the best part of the sky. The R.A. slew limits can be set anywhere from 40° above level to 20° below, so the mount can keep tracking past the meridian without flipping, or stop before an imaging cable runs out of length, and the Meridian setting (Favor Current, Favor West, Favor East or Disable) chooses which side of the mount the tube stays on. The CGEM II images through the meridian without needing a meridian flip until the object is a full 20° past it.\u003c\/p\u003e\n      \u003cp\u003eThe mount has a hand control port, one AUX port for optional accessories and a dedicated autoguider port on its electronics panel. Built-in calibration routines compensate for the mechanical variation found in every \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eGerman equatorial mount\u003c\/a\u003e; they are worth running, and most need doing only once.\u003c\/p\u003e\n      \u003cp\u003eThe drive has low cog DC servo motors with integrated optical encoders, the low cog design for smooth running and the encoders for accuracy, turning steel worm gears supported by precision bearings against brass worm wheels. All cabling is housed internally, which also removes the need to connect or disconnect an external Dec motor cable at setup.\u003c\/p\u003e\n      \u003cp\u003eOther features are Northern or Southern hemisphere compatibility, adjustable autoguiding rates, a hibernate mode that powers the mount down without losing alignment, and continual firmware development. All-Star polar alignment needs no extra equipment such as a \u003ca href=\"\/en-int\/collections\/polar-scopes\"\u003epolar finder\u003c\/a\u003e scope (an optional one is available) and can usually be completed in about 15 minutes, even without a clear view of Polaris.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePower\u003c\/h3\u003e\n      \u003cp\u003ePower is 12V DC at 3.2 amps. The supplied car battery adapter plugs into a car's cigarette lighter outlet or a portable \u003ca href=\"\/en-int\/collections\/power-accessories\"\u003epower supply\u003c\/a\u003e, or you can use one of Celestron's optional AC to DC adapters; use only adapters Celestron supplies, as others may damage the electronics and void the warranty.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification does the included eyepiece give?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 28mm eyepiece gives 96x (2700mm \/ 28mm). The highest useful magnification is 420x and the lowest is 67x.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Mak need collimating?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eInstead of a separate secondary mirror, the Mak has a secondary spot of reflective coating applied to the inside of the corrector plate, so it does not need the occasional collimation a Schmidt-Cassegrain does; the spot is also significantly smaller than a Schmidt-Cassegrain secondary, which gives the Mak its signature high-contrast views.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the Mak take longer to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe larger, heavier Maksutov corrector plate takes longer to cool down and adjust to ambient air temperature than a Schmidt-Cassegrain corrector of the same aperture.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" accessories?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. The 2\" visual back and 2\" star diagonal (with a 1.25\" adapter) take the included 28mm 2\" eyepiece, and the tube accommodates larger 2\" accessories such as 2\" Barlow lenses, Celestron's 2\" eyepiece and filter kit, and larger wide-field eyepieces.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I polar align the CGEM II if I can't see the celestial pole?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. All-Star Polar Alignment lets you polar align accurately using any bright star, even when the celestial pole cannot be seen. After a two-star alignment with at least one calibration star, you slew to a bright star from the Named Star list, ideally high in the sky and near the meridian, and choose Polar Align, then Align Mount. The mount syncs on the star and slews to where it should be if accurately polar aligned, and you center it with the mount's latitude and azimuth adjustments, not the hand control's direction buttons.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow does Permanent PEC work?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003ePeriodic Error Correction improves tracking by reducing the amplitude of the worm errors. It works in three steps: the mount indexes its worm gear, you guide with an autoguider for at least 10 minutes (one full worm revolution) while it records your corrections, and then you play them back. The mount retains the recording, and PEC is for advanced astrophotography and still needs careful guiding.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill the CGEM II track past the meridian?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe CGEM II tracks well past the meridian for uninterrupted imaging through the best part of the sky. The R.A. slew limits can be set anywhere from 40° above level to 20° below, so the mount can keep tracking past the meridian without flipping, or stop before an imaging cable runs out of length, and the Meridian setting (Favor Current, Favor West, Favor East or Disable) chooses which side of the mount the tube stays on. The CGEM II images through the meridian without needing a meridian flip until the object is a full 20° past it.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I balance the telescope on the CGEM II?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eTo balance in R.A., loosen the R.A. lock lever with the counterweight bar horizontal and move the counterweight until the telescope stays put; in Dec, loosen the DEC clutch with the tube level and slide the tube in the saddle. Celestron's tip for imaging is a very slight imbalance, toward the counterweight side when the tube is west of the mount and toward the tube when it is east, so the worm gear always pushes against a slight load.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power does the CGEM II need?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003ePower is 12V DC at 3.2 amps. The supplied car battery adapter plugs into a car's cigarette lighter outlet or a portable power supply, or you can use one of Celestron's optional AC to DC adapters; use only adapters Celestron supplies, as others may damage the electronics and void the warranty.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the CGEM II from a computer?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe hand control's USB port connects to a computer for point-and-click slewing from software and for firmware updates; updating the hand control with Celestron Firmware Manager may resolve some problems. The mount's software is Starry Night Special Edition and the SkyPortal app.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e180mm (7.08\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2700mm (106.3\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eStarBright XLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e420x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e67x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e13.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.64 arc seconds (Rayleigh), 0.52 arc seconds (Dawes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e661x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Obstruction\u003c\/td\u003e\n\u003ctd\u003e22% by Diameter; 5% by Area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003e8x50 Straight Through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" with 1.25\" adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e571.5mm (22.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e19 lbs (8.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eCGE Dovetail Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized Equatorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument Load Capacity\u003c\/td\u003e\n\u003ctd\u003e40 lbs (18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDC servo motors with encoders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 speeds, max speed 4.5°\/second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eEQ North \u0026amp; EQ South\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003e2-Star Align, 1-Star Align, Solar System Align, Last Alignment, Quick Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003eYes, Permanent (PPEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Compatibility\u003c\/td\u003e\n\u003ctd\u003eDual saddle (CG-5 and CGE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3.2 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e2\" Steel Legs, adjustable height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e20 lbs (9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e40 lbs (18.14 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweights\u003c\/td\u003e\n\u003ctd\u003e1 x 17 lbs, 1 x 12 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+, USB upgradable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatabase\u003c\/td\u003e\n\u003ctd\u003e40,000+ objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eYes, on Hand Control for PC connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Ports\u003c\/td\u003e\n\u003ctd\u003e2 (1 for Hand Control, 1 for optional accessories)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube outer diameter\u003c\/td\u003e\n\u003ctd\u003e222.25mm (8.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e7\" Maksutov-Cassegrain Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCGEM II Equatorial Mount Head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTripod with 2\" Steel Legs\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e17 lb Counterweight\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12 lb Counterweight\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDC Power Cable (Cigarette Lighter Socket)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8x50 Straight-Through Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Star Diagonal w\/ 1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm Wide-Field 2\" Eyepiece (96x)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Visual Back\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/s3.amazonaws.com\/celestron-site-support-files\/support_files\/CGEM_II_Manual_Web.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron CGEM II Mount Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Controller Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Telescope Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967157694749,"sku":"CEL-12016","price":4586.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-CGEM-II-700-Maksutov-Cassegrain-Telescope-12016-1__21575.1594230356.1280.1280.jpg?v=1684337624"},{"product_id":"celestron-cgx-700-maksutov-cassegrain-telescope","title":"Celestron CGX 700 Maksutov Cassegrain Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e180mm (7.08\") Maksutov-Cassegrain Optics\u003c\/li\u003e\n\u003cli\u003e2700mm Focal Length (f\/15)\u003c\/li\u003e\n\u003cli\u003eCGX Computerized Equatorial Mount with 55 lb Load Capacity\u003c\/li\u003e\n\u003cli\u003eDual CG-5\/CGE Saddle Plate Compatibility\u003c\/li\u003e\n\u003cli\u003eIncludes 28mm 2\" Eyepiece (96x Magnification)\u003c\/li\u003e\n\u003cli\u003eStarBright XLT Optical Coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eCelestron CGX 700 Maksutov Cassegrain Telescope\u003c\/h2\u003e\n      \u003cp\u003eThe CGX 700 Mak is a specialized instrument for detailed, high-contrast views of smaller celestial objects like the planets: its 180mm Maksutov-Cassegrain tube on the CGX \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eequatorial mount\u003c\/a\u003e and tripod gives views of the planets and up-close views of the lunar surface, including craters and maria, and Maks also suit smaller, fainter deep-sky objects such as globular clusters and planetary nebulae. Observers in urban areas will appreciate the extra contrast. The 2700mm f\/15 tube resolves 0.52 arc seconds (Dawes) and gathers 661x more light than the human eye; the CGX carries 55 lbs, and the NexStar+ hand control holds 40,000+ objects.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eMaksutov-Cassegrain Design: A 22% Obstruction for High Contrast\u003c\/h3\u003e\n      \u003cp\u003eThe Maksutov-Cassegrain is a catadioptric design that uses both a mirror and a lens to form an image, delivering bright, sharp views virtually free of chromatic aberration. Its defining feature is a \"secondary spot,\" a reflective coating on the inside of the thick corrector lens, which replaces a traditional secondary mirror assembly. The spot is significantly smaller than a traditional \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e secondary mirror, giving the Mak its signature high-contrast views; the obstruction is 40mm (1.57\"), 22% by diameter and 5% by area.\u003c\/p\u003e\n      \u003cp\u003eBecause the secondary is a spot on the corrector, the telescope does not require occasional collimation like a Schmidt-Cassegrain. The larger, heavier \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector takes longer to cool down and adjust to the ambient air temperature than a Schmidt-Cassegrain corrector of the same aperture.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e180mm f\/15 Optics: A 2700mm Focal Length for Planetary Detail\u003c\/h3\u003e\n      \u003cp\u003eThe CGX 700's 180mm aperture gathers 661 times more light than the unaided eye, reaching a limiting stellar magnitude of 13.9. The 2700mm focal length gives f\/15, with a highest useful magnification of 420x and a lowest of 67x. The tube is 571.5mm (22.5\") long, 222.25mm (8.75\") in diameter and weighs 19 lbs.\u003c\/p\u003e\n      \u003cp\u003eResolution is 0.52 arc seconds (Dawes) and 0.64 arc seconds (Rayleigh).\u003c\/p\u003e\n\u003cp\u003eStarBright XLT is Celestron's coating system, built from three parts: enhanced multi-layer mirror coatings of aluminum, SiO2 and TiO2, with reflectivity fairly flat across the spectrum for both imaging and visual use; multi-layer anti-reflective coatings of magnesium fluoride and hafnium dioxide; and water white glass instead of soda lime glass for the corrector. Water white glass transmits about 90.5% of light uncoated, 3.5% more than soda lime glass, and reaches an average transmission of 97.4% with the StarBright XLT anti-reflective coatings.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe CGX Mount: 55 lb Capacity with a Belt-Driven DC Servo Drive\u003c\/h3\u003e\n      \u003cp\u003eThe CGX is an incredibly sturdy equatorial mount that rigidly supports the 700 Mak. It was designed more compactly, so the load sits closer to the R.A. axis and torque is reduced, and its structure was optimized with Finite Element Analysis, so it supports more weight than other mounts of similar mass. It carries 55 lbs, easily handling the tube along with a camera and accessories; expect a vibration-free setup even in somewhat windy conditions.\u003c\/p\u003e\n      \u003cp\u003eThe low-cog DC servo motors run smoothly and have integrated optical encoders for accuracy. They drive the worm gears through a belt-and-pulley system instead of spur gears, to reduce gear backlash when the motor changes direction, and the steel worms, supported by precision bearings, are spring-loaded against brass worm wheels for a smoothly operating drive with minimal backlash and no binding. The latitude range is 3° to 65°, and the mount tracks at sidereal, solar and lunar rates in EQ North and EQ South.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e2\" Steel Tripod and Dual CG-5\/CGE Saddle\u003c\/h3\u003e\n      \u003cp\u003eThe mount is supported by a heavy-duty adjustable tripod with 2\" diameter steel legs and an extra-wide stance for improved stability. Graduated markings on the lower leg sections make it simple to extend each leg to the same height, simplifying the process of leveling the tripod in the field.\u003c\/p\u003e\n      \u003cp\u003eThe dual \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e takes CGE (Losmandy D style) and CG-5 dovetails, and the 700 Mak connects directly to the CGX with its included CGE dovetail bar. With the mount, the height range is 1200.15mm to 1968.5mm (47.25\" to 77.5\").\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eNexStar+ and CPWI: A 40,000+ Object Database with Full PC Control\u003c\/h3\u003e\n      \u003cp\u003eThe CGX is fully computerized: the NexStar+ hand control has a database of 40,000+ objects, 100 user-defined objects and enhanced information on over 200 objects, with 2-Star, 1-Star, Solar System, Last and Quick Align, a hibernate mode that powers down without losing the alignment, and adjustable autoguiding rates. After a simple alignment procedure, the mount can automatically slew to any object in its database and track it precisely as it moves across the sky.\u003c\/p\u003e\n      \u003cp\u003eFor advanced users, the mount offers two USB 2.0 ports for computer control. The port on the mount is used exclusively with the included CPWI telescope control software, which has a graphical interface and multi-point mount modeling. The hand control's USB port works with optional third-party software through an ASCOM driver. Two AUX ports support accessories such as \u003ca href=\"\/en-int\/products\/celestron-starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e. You also get Celestron's Starry Night Special Edition planetarium software and the SkyPortal mobile app to complete the software suite.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eAstrophotography Ready: PPEC, Autoguiding, and Past-Meridian Tracking\u003c\/h3\u003e\n      \u003cp\u003eThe CGX is designed from the ground up for astrophotography. Celestron's All-Star Polar Alignment needs no \u003ca href=\"\/en-int\/collections\/polar-scopes\"\u003epolar finder\u003c\/a\u003e scope (an optional one is available) and can usually be completed in about 15 minutes, even without a clear view of Polaris. All-Star Polar Alignment lets you polar align precisely without Polaris or a polar axis finder, using a convenient bright star. After a star alignment, the mount slews to where that star would be if the mount were accurately polar aligned, and you center it using only the latitude and azimuth adjustments, not the hand control. Permanent Periodic Error Correction (PPEC) lets you record the periodic error from tiny gear imperfections only once; the recording is kept in memory and then corrects the mount's periodic tracking error.\u003c\/p\u003e\n      \u003cp\u003eFor more accuracy, a dedicated \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eautoguider\u003c\/a\u003e port connects an \u003ca href=\"\/en-int\/collections\/guide-cameras\"\u003eautoguiding camera\u003c\/a\u003e to correct residual tracking errors. The CGX images through the meridian and does not need a meridian flip until the object is a full 20° past it. Optical switches on each axis stop the motors before the telescope can strike the mount, without loss of alignment; home position switches allow remote realignment after a power interruption; the cables run inside the mount; and the power jack uses a threaded barrel connector.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eVisual Observing: 96x Magnification with the Included 28mm Eyepiece\u003c\/h3\u003e\n      \u003cp\u003eThe CGX 700 Mak arrives ready for visual observation with a complete set of 2\" accessories. The included 28mm wide-field 2\" eyepiece provides 96x (2700mm \/ 28mm). The package also includes a 2\" 90° star diagonal for comfortable viewing and a 1.25\" adapter, allowing you to use the vast range of 1.25\" eyepieces and accessories.\u003c\/p\u003e\n      \u003cp\u003eAn 8x50 straight-through finderscope is also included to help you manually aim the telescope and align the GoTo system. With the telescope's highest useful magnification rated at 420x, the tube accepts larger 2\" accessories such as Celestron's 2\" \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e, 2\" eyepiece and filter kit and wide-field eyepieces.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSystem Portability: A 104.2 lb Kit that Disassembles Without Tools\u003c\/h3\u003e\n      \u003cp\u003eDespite its robust build, the entire 104.2 lb system is designed for manageable transport to a dark sky site. The optical tube, mount head, tripod, counterweight bar and counterweights disassemble without tools, and transport is extremely manageable, even for one person. The only tool is the supplied hex key, which has a holder in the mount. The heaviest components are the 44 lb mount head and the 19 lb optical tube.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOptical Tube Weight:\u003c\/strong\u003e 19 lbs (8.6 kg)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMount Head Weight:\u003c\/strong\u003e 44 lbs (20 kg)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eTripod Weight:\u003c\/strong\u003e 19.2 lbs (8.7 kg)\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCounterweights:\u003c\/strong\u003e 2 x 11 lbs\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eErgonomic carry handles are built into the mount head, and the tripod's accessory tray nests into the legs when collapsed, creating a stable package for transport and preventing loss of the tray.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eIs the CGX mount's 55 lb capacity enough for the 19 lb CGX 700 Mak and imaging gear?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The CGX's 55 lb capacity easily handles the 700 Mak along with a camera and any accessories; expect a vibration-free setup even in somewhat windy conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to buy a polar scope for the CGX mount?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eCelestron's All-Star Polar Alignment needs no polar finder scope (an optional one is available) and can usually be completed in about 15 minutes, even without a clear view of Polaris. All-Star Polar Alignment lets you polar align precisely without Polaris or a polar axis finder, using a convenient bright star. After a star alignment, the mount slews to where that star would be if the mount were accurately polar aligned, and you center it using only the latitude and azimuth adjustments, not the hand control.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose the CGX 700 Mak over a Schmidt-Cassegrain for planetary viewing?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Mak's secondary spot is significantly smaller than a traditional Schmidt-Cassegrain secondary mirror, giving its signature high-contrast views, and it does not require occasional collimation. The trade-off is that its heavier corrector takes longer to cool down than a Schmidt-Cassegrain of the same aperture.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow difficult is it to transport and set up the CGX 700 Mak system?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eWhile the total kit weight is 104.2 lbs, the system is designed to be disassembled into manageable pieces without tools. The main components are the 19 lb optical tube, the 44 lb mount head, the 19.2 lb tripod, and two 11 lb counterweights. Two carry handles make carrying and setting up the mount more comfortable, and transport is manageable even for one person.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Celestron CGX 700 Mak require frequent collimation?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The secondary is a spot of reflective coating on the inside of the corrector plate, so the telescope does not require occasional collimation like a Schmidt-Cassegrain.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the CGX 700 Mak with a computer?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe CGX mount offers two methods for PC control via its USB ports. You can connect a computer directly to the USB port on the mount head to use Celestron's included CPWI software. Alternatively, you can connect to the mini-USB port on the bottom of the NexStar+ hand controller to control the mount using third-party ASCOM drivers and software.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size eyepieces can I use with the CGX 700 Mak?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe telescope comes with a 2\" visual back, a 2\" star diagonal, and a 2\" eyepiece, so it is fully compatible with 2\" accessories out of the box. It also includes a 1.25\" adapter for the diagonal, allowing you to use the more common 1.25\" eyepieces and filters as well. The 2\" accessories the tube accommodates include Celestron's 2\" Barlow lenses, 2\" eyepiece and filter kit and larger wide-field eyepieces.\u003c\/p\u003e\n  \u003c\/div\u003e\n    \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow long does the CGX 700 Mak take to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Maksutov-Cassegrain design features a large, thick corrector lens. As a result, it generally takes longer to cool down and acclimate to the ambient night air temperature compared to a Schmidt-Cassegrain of a similar size. \u003c\/p\u003e\n  \u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the CGX 700 Mak?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe CGX needs 12V DC at 4 amps. A 12V DC power cable is included, and the mount's power jack uses a threaded barrel connector so the cable cannot come unplugged.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n    \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e180mm (7.08\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2700mm (106.3\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eStarBright XLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e420x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e67x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e13.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e0.64 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e0.52 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e661x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Obstruction\u003c\/td\u003e\n\u003ctd\u003e40mm (1.57\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObstruction by Diameter\u003c\/td\u003e\n\u003ctd\u003e22%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObstruction by Area\u003c\/td\u003e\n\u003ctd\u003e5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003e8x50 Straight Through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" with 1.25\" adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e28mm (1.1\") 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification with Eyepiece\u003c\/td\u003e\n\u003ctd\u003e96x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e571.5mm (22.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e222.25mm (8.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e19 lbs (8.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eCGE Dovetail Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized Equatorial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument Load Capacity\u003c\/td\u003e\n\u003ctd\u003e55 lbs (25 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e44 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e2\" Steel Legs with graduated markings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e19.2 lbs (8.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweights\u003c\/td\u003e\n\u003ctd\u003e2 x 11 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e3° - 65°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDC servo motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 speeds, max 4°\/second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eEQ North \u0026amp; EQ South\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Compatibility\u003c\/td\u003e\n\u003ctd\u003eDual saddle (CG-5 and CGE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003e2-Star, 1-Star, Solar System, Last, Quick Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003eYes, Permanent (PPEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Ports\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eYes (Mount and Hand Control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e12V DC, 4 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+ with USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDatabase\u003c\/td\u003e\n\u003ctd\u003e40,000+ objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware Included\u003c\/td\u003e\n\u003ctd\u003eCPWI, Celestron Starry Night Special Edition, SkyPortal App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Kit Weight\u003c\/td\u003e\n\u003ctd\u003e104.2 lbs (47.26 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e7\" Maksutov-Cassegrain Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCGE Style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8x50 Straight-Through Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFinderscope Bracket\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm Eyepiece (2\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" 90° Star Diagonal with 1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Visual Back\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCGX Equatorial Head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCGX Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e11 lb Counterweights\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8mm Allen Wrench\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e12V DC Power Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eHand Control Holster\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_CGEM_Series_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0\nL224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron CGX Mount Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Control Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Telescope Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967158481181,"sku":"CEL-12049","price":5559.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Celestron-CGX-700-Maksutov-Cassegrain-Telescope-12049-1__17079.1594230362.1280.1280.jpg?v=1684337715"},{"product_id":"celestron-nexstar-127slt-computerized-telescope","title":"Celestron NexStar 127SLT Computerized Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm (5\") Maksutov-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003e1500mm Focal Length (f\/12)\u003c\/li\u003e\n\u003cli\u003eComputerized GoTo Mount with 40,000+ Object Database\u003c\/li\u003e\n\u003cli\u003eCelestron SkyAlign Technology for Fast Alignment\u003c\/li\u003e\n\u003cli\u003eIncludes 25mm (60x) and 9mm (167x) Eyepieces\u003c\/li\u003e\n\u003cli\u003eLight Gathering Power of 329x the Human Eye\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron NexStar 127SLT Computerized Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron NexStar 127SLT is a 127mm (5\") f\/12 Maksutov-Cassegrain on a computerized single fork arm \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealtazimuth mount\u003c\/a\u003e with the NexStar+ hand control and its 40,000 object database. The NexStar Star Location Telescope (SLT) has been a customer favorite for years thanks to its combination of optics, a user-friendly computerized interface and a sturdy single fork arm mount. The no-tool assembly and SkyAlign have you ready to observe in minutes, and it also works as a land-based spotting telescope for daytime and wildlife observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e127mm Maksutov-Cassegrain Optics\u003c\/h3\u003e\n      \u003cp\u003eThe Maksutov-Cassegrain is a catadioptric design with both a lens and mirrors: light passes through the corrector lens to the primary mirror and back to a secondary before reaching the eyepiece, and the images are bright, sharp and virtually free of chromatic aberration. Instead of a separate secondary mirror, the secondary is a spot of reflective coating applied to the inside of the corrector, so the telescope does not need the occasional collimation of a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e, and the small spot gives the Mak its high-contrast views.\u003c\/p\u003e\n      \u003cp\u003eThe 127mm aperture and 1500mm focal length give 329x the light gathering power of the eye, a limiting stellar magnitude of 13 and a resolution of 1.1 arc seconds (Rayleigh) or 0.91 arc seconds (Dawes), with fully coated optics. The aluminum tube is 381mm (15\") long and 146.05mm (5.75\") in diameter, weighs 8.7 lbs (3.95 kg) and attaches by a CG-5 \u003ca href=\"\/en-int\/collections\/dovetail-plates\"\u003edovetail bar\u003c\/a\u003e. The larger, heavier \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eFocusing and Collimation\u003c\/h3\u003e\n      \u003cp\u003eFocusing moves the primary mirror, which slides on the primary baffle tube; the knob is on the rear cell just below the star diagonal. It takes many turns, about 25, to go from close focus (approximately 20 feet) to infinity. Start on a bright object such as the Moon or a planet, since out-of-focus stars are very diffuse, and make the final turn counterclockwise so the mirror moves against gravity, which minimizes mirror shift.\u003c\/p\u003e\n      \u003cp\u003eThe Maksutov is collimated at the factory, and it does not need the occasional collimation of a Schmidt-Cassegrain. If the telescope is dropped or jarred severely, check it this way: with the telescope in thermal equilibrium (allow up to 45 minutes between large temperature extremes), center a star near the zenith in the 9mm eyepiece and cross slowly in and out of focus; a star pattern skewed to one side means it needs collimation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Computerized Fork Arm Mount\u003c\/h3\u003e\n      \u003cp\u003eThe single fork arm altazimuth mount tracks objects as they move across the sky, with DC servo motors and nine slew speeds up to 3 degrees per second. It tracks at sidereal, solar and lunar rates, in Alt-Az, EQ North and EQ South modes. The tube attaches by its dovetail bar to the clamp on the inside of the fork arm, held by a hand knob; make sure the bottom of the dovetail sits flat against the holder before tightening. The mount head weighs 5 lbs (2.3 kg). The mount has one hand control port and one AUX port, and the hand control can use either; there is no autoguide port and no periodic error correction.\u003c\/p\u003e\n      \u003cp\u003eIf the power fails, you can move the tube by hand, but when the telescope is powered on, always move it with the hand control: the manual warns that it loses its star alignment if moved by hand while powered.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe NexStar+ Hand Control\u003c\/h3\u003e\n      \u003cp\u003eThe NexStar+ hand control slews the telescope automatically to any of the objects in its 40,000 object database, which includes more than 600 galaxies, 300 clusters and dozens of binary stars, with catalog keys for Solar System, Stars and Deep Sky objects (the complete Messier catalog and select NGC objects). Sky Tour builds a list of the best objects currently visible for your time and location and slews to each one; OBJECT INFO shows coordinates and information about the selected object. The NexStar+ LCD has red backlighting and is less sensitive to low temperatures than the older hand control, and the direction buttons have raised edges you can find without looking.\u003c\/p\u003e\n      \u003cp\u003eThe MOTOR SPEED button sets nine rates, from 9, the fastest, for slewing between objects and finding alignment stars, down to 1, half sidereal, for accurate centering in the eyepiece. Pressing the opposite direction button while holding a direction button jumps to the maximum rate. Never slew the telescope while someone is looking into the eyepiece.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSkyAlign and the Other Alignments\u003c\/h3\u003e\n      \u003cp\u003eSkyAlign is Celestron's quickest alignment: with the time, date and your location entered (pick the nearest city from the City Database), you point the telescope at any three bright objects, center each in the finderscope and press ENTER, then center it in the eyepiece and press ALIGN. You don't need to know their names, and the Moon and the brightest planets work too. When the display reads Match Confirmed, the telescope is ready to find objects.\u003c\/p\u003e\n      \u003cp\u003eThe manual's tips: level the tripod first, choose alignment objects as far apart as possible, and make sure the third does not lie in a line between the first two. Auto Two-Star Align asks you to center one known star and then picks and slews to a second; Two-Star Align uses two stars you choose; One-Star Align is the quickest way to find and track bright planets but is not meant for small or faint objects; Solar System Align uses the Moon or planets, which makes it handy in the daytime. Re-alignment lets you replace an alignment star later, for example after a few hours as the sky turns.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePower, Tripod and Accessories\u003c\/h3\u003e\n      \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the internal compartment at the base of the fork arm: squeeze the tabs on both sides of the cover while lifting, insert the batteries matching the polarity marks, and snap the cover back. The internal compartment powers the servo motors while avoiding the cord wrap of external battery packs. You can also use a PowerTank portable battery or a 12V AC adapter, both sold separately; the power requirement is 12 VDC, 750 mA, tip positive. The power switch is on the side of the fork arm.\u003c\/p\u003e\n      \u003cp\u003eThe pre-assembled, adjustable steel tripod has a center leg brace and a quick-release accessory tray that snaps onto the brace without tools, and a bubble level on the tripod head to help you level it. A snap-on holster holds the hand control on any tripod leg. The fork arm sits on the tripod head and locks with a large captive knob between the legs. The stainless steel tripod has 31.75mm (1.25\") legs, weighs 5 lbs (2.3 kg) and adjusts from 762mm to 1270mm (30\" to 50\") with the mount.\u003c\/p\u003e\n      \u003cp\u003eThe SLT is ready to grow with you: it is compatible with \u003ca href=\"\/en-int\/products\/celestron-starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e, the \u003ca href=\"\/en-int\/products\/celestron-skyportal-wifi-module\"\u003eSkyPortal WiFi module\u003c\/a\u003e and the PowerTank Lithium, all sold separately. The NexStar+ hand control has a port for computer control and firmware updates.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eEyepieces, Star Diagonal and the StarPointer\u003c\/h3\u003e\n      \u003cp\u003eTwo 1.25\" eyepieces are included: the 25mm gives 60x and the 9mm 167x. The highest useful magnification is 300x and the lowest is 18x. The star diagonal slides into the \u003ca href=\"\/en-int\/collections\/visual-adapters\"\u003evisual back\u003c\/a\u003e and turns the light at a right angle so you can observe in a more comfortable position; loosen its thumbscrew to rotate it. It gives a right-side-up view. With the mirror star diagonal in place the image is the right way up but reversed left to right, which is perfectly normal for an astronomical refractor.\u003c\/p\u003e\n      \u003cp\u003eAlign the StarPointer red dot finderscope in daylight on an easily recognizable object at least a quarter mile away, such as a streetlight, a car license plate or a sign. First remove the small plastic tab under its battery cover. Center the object in the 25mm eyepiece, turn the finder's power dial all the way up, and without moving the telescope use its two adjustment knobs to put the red dot on the object. It won't need realigning unless it is bumped, dropped or removed; turn the red dot off when you aren't using it to save the battery.\u003c\/p\u003e\n      \u003cp\u003eMagnification is the telescope's focal length divided by the eyepiece's. Celestron's Telescope Basics manual suggests finding objects with the longest focal length (lowest power) eyepiece, which gives the widest field, then switching to the higher power eyepiece for a closer view. If bright stars twinkle or change color, the air is not steady enough for high magnification, and a lower power will give a steadier view.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eWhat You Can See, Your First Night and Care\u003c\/h3\u003e\n      \u003cp\u003eThe 127SLT reveals details of the lunar surface, Venus and its phases, the polar caps on Mars, Jupiter and its four moons, and Saturn with its rings plainly visible. For your first night, try the Moon: from two days after New Moon to a few days before Full Moon you see the most detail in the craters and mountain ranges. Start with the 25mm eyepiece, then switch to the 9mm for a much larger view; you may need to refocus when you change eyepieces.\u003c\/p\u003e\n      \u003cp\u003eCelestron's Telescope Basics manual suggests giving the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allowing about 30 minutes for your eyes to fully dark-adapt, using a \u003ca href=\"\/en-int\/collections\/red-lights-and-observing-gear\"\u003ered LED flashlight\u003c\/a\u003e at low brightness if you need light. Because the Earth rotates, objects drift across the eyepiece, faster at higher magnification. Celestron's Telescope Basics manual suggests positioning the telescope just ahead of the target and letting it drift through the field. If you wear glasses, Celestron's Telescope Basics manual suggests checking whether you see the same field with and without them; if not, observe without them and refocus. For additional eyepieces, it suggests designs with at least 18mm of eye relief if you want to keep your glasses on.\u003c\/p\u003e\n      \u003cp\u003eTo clean the optics, remove dust with a camel hair brush or a few seconds of pressurized air sprayed at an angle, then use an optical \u003ca href=\"\/en-int\/collections\/cleaning-supplies\"\u003ecleaning solution\u003c\/a\u003e on white tissue with low-pressure strokes from the center outward, never in circles. Replace the lens covers after each session to keep contaminants out. Celestron includes Starry Night Special Edition software for your computer, to learn the night sky and plan observing sessions, and lists the SkyPortal app; you don't need either to use the telescope.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification do the included eyepieces give?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 25mm eyepiece gives 60x and the 9mm 167x (1500mm divided by the eyepiece focal length). The highest useful magnification is 300x and the lowest is 18x.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the 127SLT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIt reveals details of the lunar surface, Venus and its phases, the polar caps on Mars, Jupiter and its four moons, and Saturn with its rings plainly visible.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use it during the day?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes. It can be used as a land-based spotting telescope for daytime and wildlife observations; the star diagonal gives a right-side-up view, reversed left to right. Never point it at the Sun without a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eSkyAlign is Celestron's quickest alignment: with the time, date and your location entered (pick the nearest city from the City Database), you point the telescope at any three bright objects, center each in the finderscope and press ENTER, then center it in the eyepiece and press ALIGN. You don't need to know their names, and the Moon and the brightest planets work too. When the display reads Match Confirmed, the telescope is ready to find objects.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat powers the 127SLT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the internal compartment at the base of the fork arm: squeeze the tabs on both sides of the cover while lifting, insert the batteries matching the polarity marks, and snap the cover back. The internal compartment powers the servo motors while avoiding the cord wrap of external battery packs. You can also use a PowerTank portable battery or a 12V AC adapter, both sold separately; the power requirement is 12 VDC, 750 mA, tip positive. The power switch is on the side of the fork arm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow many objects are in the database?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe NexStar+ hand control holds over 40,000 objects, which include more than 600 galaxies, 300 clusters and dozens of binary stars.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I move the telescope by hand?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIf the power fails, you can move the tube by hand, but when the telescope is powered on, always move it with the hand control: the manual warns that it loses its star alignment if moved by hand while powered.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes a Maksutov need collimation?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Maksutov is collimated at the factory, and it does not need the occasional collimation of a Schmidt-Cassegrain. If the telescope is dropped or jarred severely, check it this way: with the telescope in thermal equilibrium (allow up to 45 minutes between large temperature extremes), center a star near the zenith in the 9mm eyepiece and cross slowly in and out of focus; a star pattern skewed to one side means it needs collimation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I focus?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFocusing moves the primary mirror, which slides on the primary baffle tube; the knob is on the rear cell just below the star diagonal. It takes many turns, about 25, to go from close focus (approximately 20 feet) to infinity. Start on a bright object such as the Moon or a planet, since out-of-focus stars are very diffuse, and make the final turn counterclockwise so the mirror moves against gravity, which minimizes mirror shift.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow long does it take to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe larger, heavier Maksutov corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views. Give the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allow about 30 minutes for your eyes to fully dark-adapt, using a red LED flashlight at low brightness if you need light.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan it be upgraded later?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe SLT is ready to grow with you: it is compatible with StarSense AutoAlign, the SkyPortal WiFi module and the PowerTank Lithium, all sold separately. The NexStar+ hand control has a port for computer control and firmware updates.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127mm (5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1500mm (59\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 1 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e25mm (60x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 2 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e9mm (167x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003eStarPointer™ red dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e300x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e18x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e1.1 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e0.91 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e329x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e381mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e146.05mm (5.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e8.7 lbs (3.95 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail\u003c\/td\u003e\n\u003ctd\u003eCG-5 Dovetail bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized Altitude-Azimuth Single Fork Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e762mm - 1270mm (30\" - 50\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eStainless Steel, 31.75mm (1.25\") Leg Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e5 lbs (2.3kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Weight\u003c\/td\u003e\n\u003ctd\u003e5 lbs (2.3kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Tray\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 slew speeds (max 3°\/second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eAlt-Az, EQ North and EQ South\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Compatibility\u003c\/td\u003e\n\u003ctd\u003eCG-5 saddle plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Ports\u003c\/td\u003e\n\u003ctd\u003e1x AUX Port, 1x Hand Control Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eYes, on hand control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e12 VDC - 8xAA Batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDC Servo Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003eSkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+ with over 40,000 object database\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eCelestron Starry Night Special Edition and SkyPortal App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear \/ Camera-Side Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" eyepiece holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e127mm Maksutov-Cassegrain Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSingle Fork Arm Mount and Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e9mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eStarPointer™ Red Dot Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Advanced_Series_SCT_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar SLT Series Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Control Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Telescope Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967163953437,"sku":"CEL-22097","price":1042.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-NexStar-127SLT-Computerized-Telescope-22097-1__02166.1594230386.1280.1280.jpg?v=1684337866"},{"product_id":"celestron-nexstar-90slt-computerized-telescope","title":"Celestron NexStar 90SLT Computerized Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e90mm Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1250mm Focal Length at f\/14\u003c\/li\u003e\n\u003cli\u003eFully Computerized GoTo Altazimuth Mount\u003c\/li\u003e\n\u003cli\u003eNexStar+ Database with 40,000 Celestial Objects\u003c\/li\u003e\n\u003cli\u003eCelestron SkyAlign Technology for Fast Setup\u003c\/li\u003e\n\u003cli\u003eIncludes 50x and 139x Magnification Eyepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron NexStar 90SLT Computerized Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron NexStar 90SLT is a 90mm (3.54\") f\/14 \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e on a computerized single fork arm altazimuth mount with the NexStar+ hand control and its 40,000 object database. The NexStar Star Location Telescope (SLT) has been a customer favorite for years thanks to its combination of optics, a user-friendly computerized interface and a sturdy single fork arm mount. It comes with a pre-assembled adjustable steel tripod, a quick-release fork arm, a star diagonal, two eyepieces and a StarPointer red dot finderscope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003e90mm Maksutov-Cassegrain Optics\u003c\/h3\u003e\n      \u003cp\u003eThe Maksutov-Cassegrain is a catadioptric design with both a lens and mirrors: light passes through the corrector lens to the primary mirror and back to a secondary before reaching the eyepiece, and the images are bright, sharp and virtually free of chromatic aberration. Instead of a separate secondary mirror, the secondary is a spot of reflective coating applied to the inside of the corrector, so the telescope does not need the occasional collimation of a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e, and the small spot gives the Mak its high-contrast views.\u003c\/p\u003e\n      \u003cp\u003eThe 90mm aperture and 1250mm focal length give 165x the light gathering power of the eye, a limiting stellar magnitude of 12.3 and a resolution of 1.55 arc seconds (Rayleigh) or 1.29 arc seconds (Dawes), with fully coated optics. With the 25mm eyepiece the true field of view is 1 degree, or 53 feet (16 m) at 1000 yards. The larger, heavier Maksutov corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eFocusing and Collimation\u003c\/h3\u003e\n      \u003cp\u003eFocusing moves the primary mirror, which slides on the primary baffle tube; the knob is on the rear cell just below the star diagonal. It takes many turns, about 25, to go from close focus (approximately 20 feet) to infinity. Start on a bright object such as the Moon or a planet, since out-of-focus stars are very diffuse, and make the final turn counterclockwise so the mirror moves against gravity, which minimizes mirror shift.\u003c\/p\u003e\n      \u003cp\u003eThe Maksutov is collimated at the factory, and it does not need the occasional collimation of a Schmidt-Cassegrain. If the telescope is dropped or jarred severely, check it this way: with the telescope in thermal equilibrium (allow up to 45 minutes between large temperature extremes), center a star near the zenith in the 9mm eyepiece and cross slowly in and out of focus; a star pattern skewed to one side means it needs collimation.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe Computerized Fork Arm Mount\u003c\/h3\u003e\n      \u003cp\u003eThe single fork arm altazimuth mount tracks objects as they move across the sky, with DC servo motors and nine slew speeds up to 3 degrees per second. It tracks at sidereal, solar and lunar rates, in Alt-Az, EQ North and EQ South modes. The tube attaches by its dovetail bar to the clamp on the inside of the fork arm, held by a hand knob; make sure the bottom of the dovetail sits flat against the holder before tightening.\u003c\/p\u003e\n      \u003cp\u003eIf the power fails, you can move the tube by hand, but when the telescope is powered on, always move it with the hand control: the manual warns that it loses its star alignment if moved by hand while powered.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eThe NexStar+ Hand Control\u003c\/h3\u003e\n      \u003cp\u003eThe NexStar+ hand control slews the telescope automatically to any of the objects in its 40,000 object database, which includes more than 600 galaxies, 300 clusters and dozens of binary stars, with catalog keys for Solar System, Stars and Deep Sky objects (the complete Messier catalog and select NGC objects). Sky Tour builds a list of the best objects currently visible for your time and location and slews to each one; OBJECT INFO shows coordinates and information about the selected object. The NexStar+ LCD has red backlighting and is less sensitive to low temperatures than the older hand control, and the direction buttons have raised edges you can find without looking.\u003c\/p\u003e\n      \u003cp\u003eThe MOTOR SPEED button sets nine rates, from 9, the fastest, for slewing between objects and finding alignment stars, down to 1, half sidereal, for accurate centering in the eyepiece. Pressing the opposite direction button while holding a direction button jumps to the maximum rate. Never slew the telescope while someone is looking into the eyepiece.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSkyAlign and the Other Alignments\u003c\/h3\u003e\n      \u003cp\u003eSkyAlign is Celestron's quickest alignment: with the time, date and your location entered (pick the nearest city from the City Database), you point the telescope at any three bright objects, center each in the finderscope and press ENTER, then center it in the eyepiece and press ALIGN. You don't need to know their names, and the Moon and the brightest planets work too. When the display reads Match Confirmed, the telescope is ready to find objects.\u003c\/p\u003e\n      \u003cp\u003eThe manual's tips: level the tripod first, choose alignment objects as far apart as possible, and make sure the third does not lie in a line between the first two. Auto Two-Star Align asks you to center one known star and then picks and slews to a second; Two-Star Align uses two stars you choose; One-Star Align is the quickest way to find and track bright planets but is not meant for small or faint objects; Solar System Align uses the Moon or planets, which makes it handy in the daytime. Re-alignment lets you replace an alignment star later, for example after a few hours as the sky turns.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003ePower, Tripod and Accessories\u003c\/h3\u003e\n      \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the internal compartment at the base of the fork arm: squeeze the tabs on both sides of the cover while lifting, insert the batteries matching the polarity marks, and snap the cover back. The internal compartment powers the servo motors while avoiding the cord wrap of external battery packs. You can also use a PowerTank portable battery or a 12V AC adapter, both sold separately; the power requirement is 12 VDC, 750 mA, tip positive. The power switch is on the side of the fork arm.\u003c\/p\u003e\n      \u003cp\u003eThe pre-assembled, adjustable steel tripod has a center leg brace and a quick-release accessory tray that snaps onto the brace without tools, and a bubble level on the tripod head to help you level it. A snap-on holster holds the hand control on any tripod leg. The fork arm sits on the tripod head and locks with a large captive knob between the legs.\u003c\/p\u003e\n      \u003cp\u003eThe SLT is ready to grow with you: it is compatible with \u003ca href=\"\/en-int\/products\/celestron-starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e, the \u003ca href=\"\/en-int\/products\/celestron-skyportal-wifi-module\"\u003eSkyPortal WiFi module\u003c\/a\u003e and the PowerTank Lithium, all sold separately. The NexStar+ hand control has a port for computer control and firmware updates. An optional SkySync GPS accessory (93969) is also available.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eEyepieces, Star Diagonal and the StarPointer\u003c\/h3\u003e\n      \u003cp\u003eTwo 1.25\" eyepieces are included: the 25mm gives 50x and the 9mm 139x. The highest useful magnification is 213x and the lowest is 13x. The star diagonal slides into the \u003ca href=\"\/en-int\/collections\/visual-adapters\"\u003evisual back\u003c\/a\u003e and turns the light at a right angle so you can observe in a more comfortable position; loosen its thumbscrew to rotate it. It gives a right-side-up view. With the mirror star diagonal in place the image is the right way up but reversed left to right, which is normal when using a star diagonal.\u003c\/p\u003e\n      \u003cp\u003eAlign the StarPointer red dot finderscope in daylight on an easily recognizable object at least a quarter mile away, such as a streetlight, a car license plate or a sign. First remove the small plastic tab under its battery cover. Center the object in the 25mm eyepiece, turn the \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003efinder\u003c\/a\u003e's power dial all the way up, and without moving the telescope use its two adjustment knobs to put the red dot on the object. It won't need realigning unless it is bumped, dropped or removed; turn the red dot off when you aren't using it to save the battery.\u003c\/p\u003e\n      \u003cp\u003eMagnification is the telescope's focal length divided by the eyepiece's. Celestron's Telescope Basics manual suggests finding objects with the longest focal length (lowest power) eyepiece, which gives the widest field, then switching to the higher power eyepiece for a closer view. If bright stars twinkle or change color, the air is not steady enough for high magnification, and a lower power will give a steadier view.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eWhat You Can See, Your First Night and Care\u003c\/h3\u003e\n      \u003cp\u003eThe 90SLT reveals details of the lunar surface, Venus and its phases, the polar caps on Mars, Jupiter and its four moons, and Saturn with its rings plainly visible. For your first night, try the Moon: from two days after New Moon to a few days before Full Moon you see the most detail in the craters and mountain ranges. Start with the 25mm eyepiece, then switch to the 9mm for a much larger view; you may need to refocus when you change eyepieces. Because the Earth rotates, objects drift across the eyepiece, faster at higher magnification. Position the telescope just ahead of the target and let it drift through the field.\u003c\/p\u003e\n      \u003cp\u003eCelestron's Telescope Basics manual suggests giving the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allowing about 30 minutes for your eyes to fully dark-adapt, using a \u003ca href=\"\/en-int\/collections\/red-lights-and-observing-gear\"\u003ered LED flashlight\u003c\/a\u003e at low brightness if you need light. If you wear glasses, Celestron's Telescope Basics manual suggests checking whether you see the same field with and without them; if not, observe without them and refocus. For additional eyepieces, it suggests designs with at least 18mm of eye relief if you want to keep your glasses on.\u003c\/p\u003e\n      \u003cp\u003eTo clean the optics, remove dust with a camel hair brush or a few seconds of pressurized air sprayed at an angle, then use an optical \u003ca href=\"\/en-int\/collections\/cleaning-supplies\"\u003ecleaning solution\u003c\/a\u003e on white tissue with low-pressure strokes from the center outward, never in circles. Replace the lens covers after each session to keep contaminants out. Celestron includes Starry Night Special Edition software for your computer, to learn the night sky and plan observing sessions, and lists the SkyPortal app; you don't need either to use the telescope.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the 90SLT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIt reveals details of the lunar surface, Venus and its phases, the polar caps on Mars, Jupiter and its four moons, and Saturn with its rings plainly visible.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification do the included eyepieces give?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe 25mm eyepiece gives 50x and the 9mm 139x (1250mm divided by the eyepiece focal length). The highest useful magnification is 213x and the lowest is 13x.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eSkyAlign is Celestron's quickest alignment: with the time, date and your location entered (pick the nearest city from the City Database), you point the telescope at any three bright objects, center each in the finderscope and press ENTER, then center it in the eyepiece and press ALIGN. You don't need to know their names, and the Moon and the brightest planets work too. When the display reads Match Confirmed, the telescope is ready to find objects.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhich alignment methods are available?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eSkyAlign, Auto 2-Star Align, 2-Star Align, 1-Star Align and Solar System Align. The manual's tips: level the tripod first, choose alignment objects as far apart as possible, and make sure the third does not lie in a line between the first two. Auto Two-Star Align asks you to center one known star and then picks and slews to a second; Two-Star Align uses two stars you choose; One-Star Align is the quickest way to find and track bright planets but is not meant for small or faint objects; Solar System Align uses the Moon or planets, which makes it handy in the daytime. Re-alignment lets you replace an alignment star later, for example after a few hours as the sky turns.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat powers the 90SLT?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe telescope runs on 8 AA batteries (not included) in the internal compartment at the base of the fork arm: squeeze the tabs on both sides of the cover while lifting, insert the batteries matching the polarity marks, and snap the cover back. The internal compartment powers the servo motors while avoiding the cord wrap of external battery packs. You can also use a PowerTank portable battery or a 12V AC adapter, both sold separately; the power requirement is 12 VDC, 750 mA, tip positive. The power switch is on the side of the fork arm.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow many objects are in the database?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe NexStar+ hand control holds a 40,000 object database; Sky Tour lists the best objects currently visible for your time and location.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I move the telescope by hand?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eIf the power fails, you can move the tube by hand, but when the telescope is powered on, always move it with the hand control: the manual warns that it loses its star alignment if moved by hand while powered.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eDoes a Maksutov need collimation?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe Maksutov is collimated at the factory, and it does not need the occasional collimation of a Schmidt-Cassegrain. If the telescope is dropped or jarred severely, check it this way: with the telescope in thermal equilibrium (allow up to 45 minutes between large temperature extremes), center a star near the zenith in the 9mm eyepiece and cross slowly in and out of focus; a star pattern skewed to one side means it needs collimation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I focus?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eFocusing moves the primary mirror, which slides on the primary baffle tube; the knob is on the rear cell just below the star diagonal. It takes many turns, about 25, to go from close focus (approximately 20 feet) to infinity. Start on a bright object such as the Moon or a planet, since out-of-focus stars are very diffuse, and make the final turn counterclockwise so the mirror moves against gravity, which minimizes mirror shift.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eHow long does it take to cool down?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe larger, heavier Maksutov corrector takes longer to cool to the outside air temperature than a Schmidt-Cassegrain of the same aperture, so give it time outside before expecting the sharpest views. Give the telescope at least 10 minutes to cool to the outside air temperature, longer if the difference is large, and allow about 30 minutes for your eyes to fully dark-adapt, using a red LED flashlight at low brightness if you need light.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan it be upgraded later?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe SLT is ready to grow with you: it is compatible with StarSense AutoAlign, the SkyPortal WiFi module and the PowerTank Lithium, all sold separately. The NexStar+ hand control has a port for computer control and firmware updates. An optional SkySync GPS accessory (93969) is also available.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat software comes with it?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eCelestron includes Starry Night Special Edition software for your computer, to learn the night sky and plan observing sessions, and lists the SkyPortal app; you don't need either to use the telescope.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e90mm (3.54\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1250mm (49\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 1 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e25mm (50x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece 2 (Magnification)\u003c\/td\u003e\n\u003ctd\u003e9mm (139x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003eStarPointer™ red dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e213x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e13x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e1.55 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e1.29 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e165x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Field of View (25mm eyepiece)\u003c\/td\u003e\n\u003ctd\u003e1°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear Field of View (@1000 yds)\u003c\/td\u003e\n\u003ctd\u003e53 ft (16 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eMotorized Altazimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003eNine slew speeds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Modes\u003c\/td\u003e\n\u003ctd\u003eAlt-Az, EQ North and EQ South\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003eSkyAlign, Auto 2-Star Align, 1-Star Align, 2-Star Align, Solar System Align\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+ Computerized, Flash Upgradeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003e40,000 Objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eOptional SkySync GPS Accessory (93969)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware Included\u003c\/td\u003e\n\u003ctd\u003eCelestron Starry Night Special Edition Software and SkyPortal App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear \/ Camera-Side Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" eyepiece holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar 90SLT Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSingle Fork Arm Altazimuth Mount \u0026amp; Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eStarPointer Red Dot Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e9mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21\n.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Controller Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Limited Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":44967163986205,"sku":"CEL-22087","price":834.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-NexStar-90SLT-Computerized-Telescope-22087-1__77824.1594230387.1280.1280.jpg?v=1684337699"},{"product_id":"sky-watcher-skymax-102","title":"Sky-Watcher Skymax 102","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e102mm Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1300mm Focal Length \u0026amp; f\/12.7 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eFully Multi-Coated Lens \u0026amp; 94% Reflectivity Mirror Coatings\u003c\/li\u003e\n\u003cli\u003eWeighs 4.6 lbs with a 12.25\" Tube Length\u003c\/li\u003e\n\u003cli\u003eIncludes 25mm (52x) \u0026amp; 10mm (130x) Eyepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Skymax 102\u003c\/h2\u003e\n\u003cp\u003eThe Sky-Watcher Skymax 102 is a 102mm Maksutov-Cassegrain with a 1300mm focal length (f\/12.7). The tube is 12.25\" long and 4.6 lb with accessories, and it comes with Super 25mm and Super 10mm eyepieces (52x and 130x), a 1.25\" star diagonal, a red dot finder and a soft carrying case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Take-Anywhere Maksutov\u003c\/h3\u003e\n\u003cp\u003eMaksutov-Cassegrains are take-anywhere telescopes, also ideal when working space is limited, with high-resolution, diffraction-limited optical systems multi-coated to maximize contrast and image sharpness, for terrestrial and astronomical use.\u003c\/p\u003e\n\u003cp\u003eFor the 102mm \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e, the highest practical power is 204x and the faintest stellar magnitude 12.7.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMulti-Coated Optics\u003c\/h3\u003e\n\u003cp\u003eThe Skymax 102 puts its 1300mm focal length in a tube 12.25\" long and 4.625\" in diameter (Sky-Watcher USA).\u003c\/p\u003e\n\u003cp\u003eThe Maksutov optical systems are high-resolution and diffraction-limited, multi-coated to maximize contrast and image sharpness. The lenses are fully multi-coated, and the mirrors carry Sky-Watcher's Radiant Aluminum Quartz (RAQ) coatings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eEyepieces and Magnification\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope's focal length divided by the eyepiece's. Both included eyepieces are 1.25\", as are the star diagonal and the \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e (1.25\" focuser diameter):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper 25mm:\u003c\/strong\u003e 1300 \/ 25 = 52x.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuper 10mm:\u003c\/strong\u003e 1300 \/ 10 = 130x.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSky-Watcher's rule of thumb is that usable magnification is about 2x per mm of aperture under good conditions, because higher power also magnifies the air turbulence between the telescope and the subject.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFocusing\u003c\/h3\u003e\n\u003cp\u003eFocus is by moving the primary mirror (Sky-Watcher USA), with the focusing knob and a focus locking screw at the rear of the tube. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes and flexure, and almost always after changing an eyepiece or adding or removing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting and Carrying\u003c\/h3\u003e\n\u003cp\u003eA V-style dovetail rail comes pre-installed. The Maksutov tube assemblies can also be mounted on a standard photographic \u003ca href=\"\/en-int\/collections\/tripods-and-piers\"\u003etripod\u003c\/a\u003e, and the 102mm Maksutov is also sold as a kit on Sky-Watcher's AZ-Go2 Wi-Fi GoTo mount.\u003c\/p\u003e\n\u003cp\u003eIt weighs 4.6 lb with accessories and measures 12.25\" long and 4.625\" in diameter, and a soft carrying case is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSolar Safety\u003c\/h3\u003e\n\u003cp\u003eNever look directly at the Sun through the telescope: permanent eye damage will result. Use a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finderscope when observing the Sun. Never use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSetting Up\u003c\/h3\u003e\n\u003cp\u003eAttach the tube to the mount of your choice, slide the red dot finder bracket into its slot and tighten its screw. Loosen the three thumbscrews at the end of the tube, insert the diagonal and retighten them, then insert an eyepiece in the diagonal and secure it. Remove the dust cap before viewing.\u003c\/p\u003e\n\u003cp\u003eTo align the red dot finder, open its battery cover and remove the plastic shipping cover over the 3-volt lithium battery, then turn the brightness control clockwise until it clicks. Center a bright object in a low-power eyepiece and, with both eyes open, turn the azimuth and altitude controls until the red dot merges with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Skymax 102 designed for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMaksutov-Cassegrains are take-anywhere telescopes, also ideal when working space is limited, with high-resolution, diffraction-limited optical systems multi-coated to maximize contrast and image sharpness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification can I use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDivide the telescope's focal length by the eyepiece's: the included Super 25mm gives 52x and the Super 10mm 130x. Sky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, and it lists 204x as the highest practical power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat eyepiece size does it take?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e1.25\". The focuser diameter is 1.25\", and the included diagonal and eyepieces are 1.25\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow faint can it see?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe faintest stellar magnitude for the 102mm Maksutov is 12.7.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the 4.6 lb Skymax 102 OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt weighs 4.6 lb with accessories and has a pre-installed V-style dovetail rail for mounts with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e. The Maksutov tubes can also go on a standard photographic tripod.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I focus the Sky-Watcher Skymax 102?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy moving the primary mirror with the focusing knob at the rear. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time as the temperature changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the included Red Dot Finder on the Skymax 102?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOpen the battery cover and remove the plastic shipping cover over the 3-volt lithium battery, then turn the brightness control clockwise until it clicks. Center a bright object in a low-power eyepiece and, with both eyes open, turn the azimuth and altitude controls until the red dot merges with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" eyepieces with the Skymax 102?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The focuser, included star diagonal and eyepieces are all 1.25\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs it easy to take along?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMaksutovs are take-anywhere telescopes, also ideal when working space is limited. The Skymax 102 is 12.25\" long and 4.6 lb with accessories, and a soft carrying case is included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Skymax 102 need time to adjust to outside temperature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No cool-down time is specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finder, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture\u003c\/td\u003e\n\u003ctd\u003e102mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eRadiant Aluminum Quartz (RAQ)™ coatings with 94% reflectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7 \/ Borosilicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003ePrimary Mirror Focusing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length\u003c\/td\u003e\n\u003ctd\u003e12.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Diameter\u003c\/td\u003e\n\u003ctd\u003e4.625\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e4.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepieces\u003c\/td\u003e\n\u003ctd\u003eSuper 25mm \u0026amp; Super 10mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepieces)\u003c\/td\u003e\n\u003ctd\u003e52x \/ 130x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Finder\u003c\/td\u003e\n\u003ctd\u003eRed Dot Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eV-style Dovetail Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234115100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 102mm Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSuper 25mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSuper 10mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-style Dovetail Rail (pre-installed)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSoft Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967190462749,"sku":"SW-S11510","price":490.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-102-S11510-1__91769.1594170769.1280.1280.jpg?v=1684338444"},{"product_id":"sky-watcher-skymax-127","title":"Sky-Watcher Skymax 127","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm (5\") Maksutov-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003e1540mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/12.1 Focal Ratio\u003c\/li\u003e\n\u003cli\u003ePrimary Mirror Focusing Mechanism\u003c\/li\u003e\n\u003cli\u003eOTA Weighs 9.7 lbs with Accessories\u003c\/li\u003e\n\u003cli\u003eIncludes 2\" 28mm Eyepiece, 6x30 Finder, and 2\" Diagonal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section-center\"\u003e\n      \u003ch2\u003eSky-Watcher Skymax 127 Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n      \u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 127\u003c\/strong\u003e is a 127mm (5\") \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e from Sky-Watcher's Signature Series. It has a 1540mm focal length (f\/12.1) and a 9.7 lb tube with accessories, and includes a 2\" 28mm LET eyepiece (55x), a 2\" star diagonal and a 6x30 finderscope.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSignature Series Maksutov\u003c\/h3\u003e\n      \u003cp\u003eThe Signature Series is the new generation of Maksutovs, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e design.\u003c\/p\u003e\n          \u003c\/div\u003e\n  \u003c\/div\u003e\n\n    \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eFocal Length and Dimensions\u003c\/h3\u003e\n      \u003cp\u003eThe focal length is 1540mm (f\/12.1), with a 39mm secondary and a 15\" tube length with the diagonal, fully multi-coated lenses, BK7 glass and Radiant Aluminum Quartz (RAQ) mirror coatings.\u003c\/p\u003e\n      \u003cp\u003eskywatcher.com lists the 127mm Maksutov at 1500mm (f\/12), a 5 kg tube weight and 14 cm x 33 cm tube dimensions. The figures on this page follow Sky-Watcher USA.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eMagnification\u003c\/h3\u003e\n      \u003cp\u003eMagnification is the telescope's focal length divided by the eyepiece's: 1540mm with the included 28mm eyepiece gives 55x.\u003c\/p\u003e\n      \u003cp\u003eSky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, which for 127mm is about 254x, because higher power also magnifies the air turbulence between the telescope and the subject.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eIncluded Diagonal, Eyepiece and Finder\u003c\/h3\u003e\n      \u003cp\u003eSky-Watcher USA includes a 2\" star diagonal, a 28mm LET 2\" eyepiece (55x), a 6x30 finderscope, a V-style dovetail rail and a dust cap.\u003c\/p\u003e\n      \u003cp\u003eThe \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e is a 1.25\" opening with a 2\" adapter, and the diagonal a 2\" 90 degree star diagonal with a 1.25\" adapter, so both 2\" and 1.25\" eyepieces can be used.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eFocusing\u003c\/h3\u003e\n      \u003cp\u003eFocus is by moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of small variations caused by temperature changes and flexures, and almost always after changing an eyepiece or adding or removing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/p\u003e\n          \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eMounting\u003c\/h3\u003e\n      \u003cp\u003eThe tube weighs 9.7 lb with accessories (Sky-Watcher USA) and has a V-style dovetail rail, so use a mount with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e and a payload rating that covers it.\u003c\/p\u003e\n      \u003cp\u003eskywatcher.com lists its EQ3 Pro and EQ3 mounts (with aluminum or steel \u003ca href=\"\/en-int\/collections\/tripods-and-piers\"\u003etripod\u003c\/a\u003e) as related products.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eTemperature and Care\u003c\/h3\u003e\n      \u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n      \u003cp\u003eReplace the dust cap when the telescope is not in use.\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eSolar Safety Warning:\u003c\/strong\u003e Never look directly at the Sun through the telescope: permanent eye damage will result. Use a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finderscope when observing the Sun. Never use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eSetting Up\u003c\/h3\u003e\n      \u003cp\u003eFollow these steps:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMount the telescope:\u003c\/strong\u003e attach the tube to the mount of your choice.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInstall the finder:\u003c\/strong\u003e slide the finder bracket into its slot on the tube and tighten the screw. Like all finderscopes, it must be aligned with the main telescope before use.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInsert the diagonal:\u003c\/strong\u003e loosen the three thumbscrews at the end of the tube, insert the diagonal and retighten them.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInsert an eyepiece:\u003c\/strong\u003e loosen the screws on the diagonal, insert the eyepiece and retighten them. Remove the dust cap before viewing.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat mount does it need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tube weighs 9.7 lb with accessories (Sky-Watcher USA) and has a V-style dovetail rail, so use a mount with a Vixen-style saddle and a payload rating that covers it. skywatcher.com lists its EQ3 Pro and EQ3 mounts as related products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification does the included eyepiece give?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDivide the telescope's focal length by the eyepiece's: 1540mm with a 28mm eyepiece gives 55x. Sky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, since air turbulence limits what you can use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Signature Series?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Signature Series is the new generation of Maksutovs, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic Schmidt-Cassegrain design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my 1.25\" eyepieces with the Skymax 127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The focuser is a 1.25\" opening with a 2\" adapter, and the diagonal a 2\" 90 degree star diagonal with a 1.25\" adapter, so both 2\" and 1.25\" eyepieces can be used.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does it focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes, and almost always after changing an eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes it need time to adjust to outside temperature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow big and heavy is it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA lists it at 15\" long with the diagonal, 5.75\" in outer diameter and 9.7 lb with accessories; skywatcher.com lists a 5 kg tube and 14 cm x 33 cm tube dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy are there two different focal lengths listed for the Skymax 127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA lists 1540mm (f\/12.1), and skywatcher.com lists the 127mm Maksutov at 1500mm (f\/12). The figures on this page follow Sky-Watcher USA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the first step to setting up the Skymax 127 for my first night out?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAttach the tube to the mount of your choice and install the \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003efinder\u003c\/a\u003e. Loosen the three thumbscrews at the end of the tube, insert the diagonal and retighten them, then insert an eyepiece into the diagonal and secure it. The finder must be aligned with the main telescope before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finderscope, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat comes in the box?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Skymax 127 tube, a 28mm LET 2\" eyepiece, a 2\" star diagonal, a 6x30 finderscope, a V-style dovetail rail and a dust cap (Sky-Watcher USA).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture\u003c\/td\u003e\n\u003ctd\u003e127mm (5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1540mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eRadiant™ Aluminum Quartz™ (RAQ™) with 94% reflectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7\/Borosilicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Diameter\u003c\/td\u003e\n\u003ctd\u003e39mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003ePrimary Mirror Movement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (with diagonal)\u003c\/td\u003e\n\u003ctd\u003e15\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e5.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e9.7 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Scope\u003c\/td\u003e\n\u003ctd\u003e6x30 Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eV-Style Dovetail Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e28mm LET (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepiece)\u003c\/td\u003e\n\u003ctd\u003e55x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234115209\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 127 OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm LET 2\" Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e6x30 Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-Style Dovetail Rail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Cap\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967190561053,"sku":"SW-S11520","price":850.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-127-S11520-1__09357.1594170770.1280.1280.jpg?v=1684338456"},{"product_id":"sky-watcher-skymax-150","title":"Sky-Watcher Skymax 150","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e151mm Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1800mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/12 Focal Ratio\u003c\/li\u003e\n\u003cli\u003ePrimary Mirror Focuser\u003c\/li\u003e\n\u003cli\u003eOptical Tube Weight (with accessories): 14 lbs\u003c\/li\u003e\n\u003cli\u003eIncludes 2-inch Star Diagonal and 28mm Eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Skymax 150 Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 150\u003c\/strong\u003e is a 151mm Maksutov-Cassegrain from Sky-Watcher's Signature Series, with an 1800mm focal length (f\/12) and primary-mirror focusing. It weighs 14 lb with accessories and includes a 2\" star diagonal, a 2\" 28mm LET eyepiece (64.3x) and a 9x50 finderscope. The tube is 17.5\" long with the diagonal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSignature Series Maksutov\u003c\/h3\u003e\n\u003cp\u003eThe Signature Series is the new generation of \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutovs\u003c\/a\u003e, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eOptics\u003c\/h3\u003e\n\u003cp\u003eA 166mm primary mirror serves the 151mm aperture, with a 47mm secondary. For the 150mm Maksutov, the highest practical power is 300x and the faintest stellar magnitude 13.2.\u003c\/p\u003e\n\u003cp\u003eThe 1800mm focal length fits in a tube 17.5\" long with the diagonal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture:\u003c\/strong\u003e 151mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary mirror:\u003c\/strong\u003e 166mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary:\u003c\/strong\u003e 47mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoatings:\u003c\/strong\u003e Radiant Aluminum Quartz (RAQ) mirror coatings with 94% reflectivity and fully multi-coated lenses (Sky-Watcher USA).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMagnification\u003c\/h3\u003e\n\u003cp\u003eThe magnification of a telescope is determined by dividing its focal length by the focal length of the eyepiece. For the Skymax 150, which has an 1800mm focal length, the included 28mm LET eyepiece provides a magnification of 64.3x (1800mm \/ 28mm).\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, because higher power also magnifies the air turbulence between the telescope and the subject. skywatcher.com lists 300x as the highest practical power for the 150mm Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFocusing and Included Accessories\u003c\/h3\u003e\n\u003cp\u003eFocus is by moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes and flexures, and almost always after changing an eyepiece or adding or removing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eThe package includes a V-style dovetail rail, dust caps and the following. The \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e is a 1.25\" opening with a 2\" adapter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" star diagonal:\u003c\/strong\u003e 90 degree, with a 1.25\" adapter per skywatcher.com.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm LET eyepiece:\u003c\/strong\u003e 2\", giving 64.3x.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9x50 finderscope:\u003c\/strong\u003e with bracket (Sky-Watcher USA; skywatcher.com lists an 8x50 \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003efinder\u003c\/a\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSize, Weight and Mounting\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher USA lists 14 lb with accessories, 17.5\" long with the diagonal and 7.5\" in outer diameter; skywatcher.com lists a 5.6 kg tube and 18.3 cm x 40 cm tube dimensions.\u003c\/p\u003e\n\u003cp\u003eA V-style dovetail rail attaches it to mounts with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e, and skywatcher.com lists its HEQ5 Pro and EQ5 Pro mounts as related products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTemperature and Care\u003c\/h3\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n\u003cp\u003eReplace the dust caps when the telescope is not in use. Never look directly at the Sun through the telescope: permanent eye damage will result. Use a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finderscope when observing the Sun. Never use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSetting Up\u003c\/h3\u003e\n\u003cp\u003eAttach the tube to the mount of your choice and install the finder: slide its bracket into the slot and tighten the screw. Loosen the three thumbscrews at the end of the tube, insert the diagonal and retighten them, then insert an eyepiece into the diagonal and secure it. Like all finderscopes, the finder must be aligned with the main telescope before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat mount does it need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt weighs 14 lb with accessories (Sky-Watcher USA) and has a V-style dovetail rail, so use a mount with a Vixen-style saddle and a payload rating that covers it. skywatcher.com lists its HEQ5 Pro and EQ5 Pro mounts as related products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification can I use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDivide the telescope's focal length by the eyepiece's: 1800mm with a 28mm eyepiece gives 64.3x. Sky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, since air turbulence limits what you can use, and skywatcher.com lists 300x as the highest practical power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Signature Series?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Signature Series is the new generation of Maksutovs, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic Schmidt-Cassegrain design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does it focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes, and almost always after changing an eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the primary mirror 166mm when the aperture is 151mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary mirror is 166mm and the aperture 151mm; no reason is given for the difference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat eyepiece sizes does it take?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe focuser is a 1.25\" opening with a 2\" adapter, and the diagonal a 2\" 90 degree star diagonal with a 1.25\" adapter, so both 2\" and 1.25\" eyepieces can be used.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat finder is included?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA includes a 9x50 finderscope with bracket; skywatcher.com lists an 8x50 finder for this Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finderscope, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes it need time to adjust to outside temperature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow faint can it see?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eskywatcher.com lists a faintest stellar magnitude of 13.2 for the 150mm Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow big and heavy is it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA lists 14 lb with accessories, 17.5\" long with the diagonal and 7.5\" in outer diameter; skywatcher.com lists a 5.6 kg tube and 18.3 cm x 40 cm tube dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I set up the Skymax 150 for the first time?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAttach the tube to the mount of your choice and install the finder. Loosen the three thumbscrews at the end of the tube, insert the diagonal and retighten them, then insert an eyepiece into the diagonal and secure it. Like all finderscopes, the finder must be aligned with the main telescope before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Aperture\u003c\/td\u003e\n\u003ctd\u003e151 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture\u003c\/td\u003e\n\u003ctd\u003e166 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eRadiant Aluminum Quartz (RAQ)™ with 94% reflectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7\/Borosilicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Diameter\u003c\/td\u003e\n\u003ctd\u003e47 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003ePrimary Mirror Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e14 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length (with diagonal)\u003c\/td\u003e\n\u003ctd\u003e17.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e7.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e28mm LET (2-inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepiece)\u003c\/td\u003e\n\u003ctd\u003e64.3x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Finder\u003c\/td\u003e\n\u003ctd\u003e9x50 Optical Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Diagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Dovetail\u003c\/td\u003e\n\u003ctd\u003eV-style Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234115308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 150 Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e9x50 Finderscope with Bracket\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm LET Eyepiece (2\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-style Dovetail Rail\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Caps\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967190593821,"sku":"SW-S11530","price":1360.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-150-S11530-1__52671.1594170772.1280.1280.jpg?v=1684338469"},{"product_id":"sky-watcher-skymax-180","title":"Sky-Watcher Skymax 180","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e180mm Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e2700mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/15 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eWeighs 19 lbs with Accessories\u003c\/li\u003e\n\u003cli\u003eIncludes 2\" Diagonal and 28mm LET Eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Skymax 180 Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 180\u003c\/strong\u003e is a 180mm \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e from Sky-Watcher's Signature Series, with a 2700mm focal length (f\/15) and primary-mirror focusing. It is 22\" long with the diagonal and 19 lb with accessories, and includes a 2\" star diagonal, a 2\" 28mm LET eyepiece (96.4x) and a 9x50 finderscope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSignature Series Maksutov\u003c\/h3\u003e\n\u003cp\u003eThe Signature Series is the new generation of Maksutovs, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eOptics\u003c\/h3\u003e\n\u003cp\u003eA 199mm primary mirror serves the 180mm aperture, with a 41mm secondary, fully multi-coated lenses and Sky-Watcher's Radiant Aluminum Quartz (RAQ) mirror coatings with 94% reflectivity. The 2700mm focal length fits in a tube 22\" long with the diagonal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMagnification\u003c\/h3\u003e\n\u003cp\u003eDivide the telescope's focal length by the eyepiece's: 2700mm with the included 28mm eyepiece gives 96.4x.\u003c\/p\u003e\n\u003cp\u003eThe highest practical power for the 180mm Maksutov is 360x. As a rule of thumb, use about 2x per mm of aperture under good conditions, because higher power also magnifies the air turbulence between the telescope and the subject.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFocusing and Included Accessories\u003c\/h3\u003e\n\u003cp\u003eFocus is by moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes and flexures, and almost always after changing an eyepiece or adding or removing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e. The package includes the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" star diagonal:\u003c\/strong\u003e 90 degree, with a 1.25\" adapter. The \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e is a 1.25\" opening with a 2\" adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mm LET eyepiece:\u003c\/strong\u003e 2\", giving 96.4x.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9x50 finderscope:\u003c\/strong\u003e skywatcher.com lists an 8x50 \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003efinder\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting\u003c\/h3\u003e\n\u003cp\u003eIt weighs 19 lb with accessories (Sky-Watcher USA) and has a V-style dovetail bar, so use a mount with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e and a payload rating that covers it.\u003c\/p\u003e\n\u003cp\u003eskywatcher.com lists its AZ-EQ6 Pro, EQ6 Pro and HEQ5 Pro mounts as related products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTemperature and Solar Safety\u003c\/h3\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n\u003cp\u003eNever look directly at the Sun through the telescope: permanent eye damage will result. Use a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finderscope when observing the Sun. Never use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSize and Weight\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher USA lists 22\" long with the diagonal, 8.625\" in outer diameter and 19 lb with accessories; skywatcher.com lists a 7.8 kg tube and 21.6 cm x 50 cm tube dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSetting Up\u003c\/h3\u003e\n\u003cp\u003eFollow these steps:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAttach the tube to the mount of your choice.\u003c\/li\u003e\n\u003cli\u003eSlide the finder bracket into its slot and tighten the screw. Like all finderscopes, the finder must be aligned with the main telescope before use.\u003c\/li\u003e\n\u003cli\u003eLoosen the three thumbscrews at the end of the tube.\u003c\/li\u003e\n\u003cli\u003eInsert the diagonal and retighten the thumbscrews.\u003c\/li\u003e\n\u003cli\u003eInsert an eyepiece into the diagonal and secure it.\u003c\/li\u003e\n\u003cli\u003eRemove the dust cap before viewing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat mount does it need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt weighs 19 lb with accessories (Sky-Watcher USA) and has a V-style dovetail bar, so use a mount with a Vixen-style saddle and a payload rating that covers it. skywatcher.com lists its AZ-EQ6 Pro, EQ6 Pro and HEQ5 Pro mounts as related products.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Signature Series?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Signature Series is the new generation of Maksutovs, manufactured to high levels of optical and mechanical precision, and in many applications their sharpness and image quality match and exceed those of the classic Schmidt-Cassegrain design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does it focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eBy moving the primary mirror. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes, and almost always after changing an eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 1.25\" eyepieces with the Skymax 180?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The included 2\" star diagonal comes with a 1.25\" adapter, and the focuser is a 1.25\" opening with a 2\" adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes it need time to adjust to outside temperature?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. No specific cool-down time is given.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the highest useful magnification for the Skymax 180?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe highest practical power for the 180mm Maksutov is 360x. As a rule of thumb, use about 2x per mm of aperture under good conditions, since air turbulence limits what you can use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the primary mirror 199mm when the aperture is 180mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary mirror is 199mm and the aperture 180mm; no reason is given for the difference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finderscope, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification does the included eyepiece give?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is a 2\" 28mm LET eyepiece giving 96.4x: magnification is the focal length divided by the eyepiece's, 2700mm \/ 28mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow big and heavy is it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA lists 22\" long with the diagonal, 8.625\" in outer diameter and 19 lb with accessories; skywatcher.com lists a 7.8 kg tube and 21.6 cm x 50 cm tube dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat finder is included?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSky-Watcher USA includes a 9x50 finderscope; skywatcher.com lists an 8x50 finder for this Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue Aperture\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Aperture\u003c\/td\u003e\n\u003ctd\u003e199 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2700 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eRadiant Aluminum Quartz (RAQ)™ with 94% reflectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass Type\u003c\/td\u003e\n\u003ctd\u003eBK7 \/ Borosilicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Diameter\u003c\/td\u003e\n\u003ctd\u003e41 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003ePrimary Mirror\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length\u003c\/td\u003e\n\u003ctd\u003e22\" (with diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Outer Diameter\u003c\/td\u003e\n\u003ctd\u003e8.625\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight (with accessories)\u003c\/td\u003e\n\u003ctd\u003e19 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Scope\u003c\/td\u003e\n\u003ctd\u003e9x50 Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal\u003c\/td\u003e\n\u003ctd\u003e2\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eV-style Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e28mm LET (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (with included eyepiece)\u003c\/td\u003e\n\u003ctd\u003e96.4x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e050234115407\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 180 Optical Tube Assembly\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e9x50 Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" Star Diagonal with 1.25\" Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e28mm LET Eyepiece (2\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eV-style Dovetail Bar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967190659357,"sku":"SW-S11540","price":2330.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-180-S11540-1__02494.1594170773.1280.1280.jpg?v=1684338481"},{"product_id":"sky-watcher-skymax-102-az-gti","title":"Sky-Watcher Skymax 102 AZ-GTi","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e102mm (4-inch) Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1300mm Focal Length at f\/12.7\u003c\/li\u003e\n\u003cli\u003eAZ-GTi Motorized Alt-Azimuth GoTo Mount with 11 lb (5 kg) Payload Capacity\u003c\/li\u003e\n\u003cli\u003eIntegrated WiFi Control via SynScan Pro App for iOS and Android\u003c\/li\u003e\n\u003cli\u003eMount and Tripod Weigh Approximately 8.6 lbs (4 kg) Assembled\u003c\/li\u003e\n\u003cli\u003eIncludes 10mm (130x) and 25mm (52x) Eyepieces\u003c\/li\u003e\n\u003cli\u003eFreedom Find™ Dual Encoder Technology for Manual Aiming without Losing Alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Skymax 102 AZ-GTi\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 102 AZ-GTi\u003c\/strong\u003e pairs the Skymax 102 Maksutov-Cassegrain (102mm, 1300mm, f\/12.7, 4.6 lb) with the AZ-GTi Wi-Fi GoTo \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealt-azimuth mount\u003c\/a\u003e, which carries 5 kg (11 lb). The mount with its adjustable aluminum tripod and pier extension weighs about 4 kg (8.6 lb). Super 25mm and 10mm eyepieces (52x and 130x), a 1.25\" star diagonal and a red dot finder are included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Take-Anywhere Maksutov on a Wi-Fi GoTo Mount\u003c\/h3\u003e\n\u003cp\u003eMaksutov-Cassegrains are take-anywhere telescopes, also ideal when working space is limited, with high-resolution, diffraction-limited optical systems multi-coated to maximize contrast and image sharpness, for terrestrial or astronomical use.\u003c\/p\u003e\n\u003cp\u003eThe AZ-GTi is a compact travel mount capable of both alt-az GoTo alignment and video time-lapse, with a SynScan GoTo database of more than 42,900 objects, built-in Wi-Fi and Freedom Find dual encoders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 102mm f\/12.7 Maksutov-Cassegrain Optical Tube\u003c\/h3\u003e\n\u003cp\u003eThe Skymax 102 has a 102mm aperture and a 1300mm focal length (f\/12.7), and the tube weighs 4.6 lb (2.1 kg). For the 102mm \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e, the highest practical power is 204x and the faintest stellar magnitude 12.7.\u003c\/p\u003e\n\u003cp\u003eFocus is by moving the primary mirror with the knob at the rear. Turn the focus knob slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes and flexure, and refocusing is almost always necessary when you change an eyepiece or add or remove a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAZ-GTi Mount: 11 lb Capacity and Freedom Find Encoders\u003c\/h3\u003e\n\u003cp\u003eThe AZ-GTi is a motorized alt-azimuth GoTo mount with a 5 kg (11 lb) payload and a V-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e. It can support anything from a small Maksutov or \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractor\u003c\/a\u003e to a mid-sized DSLR for time-lapse photography. It attaches to a tripod with a 3\/8\"-16 thread and includes an adapter for 1\/4\"-20 threads.\u003c\/p\u003e\n\u003cp\u003eFreedom Find auxiliary encoders on both axes let the mount keep track of its position when you unlock the clutches and turn it by hand, so it does not lose its alignment; re-lock the clutches to return to motor control. The feature can be disabled in the SynScan app or \u003ca href=\"\/en-int\/collections\/hand-controllers-and-drives\"\u003ehand control\u003c\/a\u003e, and the manual recommends disabling it for the best pointing accuracy if you do not need to move the mount by hand after alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSynScan Pro App: GoTo Control from Your iOS or Android Device\u003c\/h3\u003e\n\u003cp\u003eThe AZ-GTi mount creates its own local WiFi network, allowing you to connect and control it directly from your smartphone or tablet without needing an internet connection. By default, the network SSID is \"SynScan_xxxx\" with no password required. You must connect your device to the mount's WiFi within 15 minutes of powering it on, or the WiFi will automatically shut down.\u003c\/p\u003e\n\u003cp\u003eUse Sky-Watcher's SynScan Pro app to align the mount for celestial tracking, or its SynScan PTZ app for time-lapse photography. The Wi-Fi configuration resets to factory default if you power the mount on with no hand control connected and no app operations over Wi-Fi for 4 hours.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePowering the AZ-GTi: 8x AA Batteries or External 7.5V-14V DC\u003c\/h3\u003e\n\u003cp\u003eThe mount runs on eight AA batteries (not included) in its battery compartment, or on an external \u003ca href=\"\/en-int\/collections\/power-accessories\"\u003epower supply\u003c\/a\u003e through the POWER input.\u003c\/p\u003e\n\u003cp\u003eAn external supply must deliver DC 7.5V to 14V, at least 750mA, through a center-positive barrel plug with 2.0mm I.D. and 5.5mm O.D. Voltage outside this range might cause permanent damage to the motor controller or the hand controller. Do not use an unregulated AC-to-DC adapter: use a switching power supply with a 12V output and at least 750mA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTripod, Pier Extension and Assembly\u003c\/h3\u003e\n\u003cp\u003eFully expand the three tripod legs on level ground and install the accessory tray: align it, push down and rotate it to lock. The tray keeps the legs firmly expanded, which prevents the tripod from tipping over, so always use it. Adjust the leg lengths to center the bubble level on the mount.\u003c\/p\u003e\n\u003cp\u003eWith a long tube that would hit the tripod legs when pointed high up, the manual says to fit the extension pier between the tripod and the mount: attach the pier to the tripod and tighten the locking bolt, remove the pier head, attach it to the mount, then refit it, aligning the notch with a locking screw and tightening all three. To load the tube, rotate the saddle until the \u003ca href=\"\/en-int\/collections\/dovetail-plates\"\u003edovetail\u003c\/a\u003e groove is horizontal, loosen the dovetail locking knob, slide the dovetail bar in while holding the tube level, and tighten the knob. Then fully loosen the altitude clutch while holding the tube to check the balance, and slide the bar back or forth until it balances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMagnification with the Included Eyepieces\u003c\/h3\u003e\n\u003cp\u003eTwo 1.25\" eyepieces are included, a Super 25mm and a Super 10mm. Magnification is the telescope's focal length divided by the eyepiece's: 1300 \/ 25 gives 52x and 1300 \/ 10 gives 130x.\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, since air turbulence limits what you can usefully magnify, and it lists 204x as the highest practical power for the 102mm Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWeight and Temperature\u003c\/h3\u003e\n\u003cp\u003eThe AZ-GTi with tripod weighs 8.6 lb (about 4 kg fully assembled), easily fitting in carry-on luggage; the 4.6 lb Skymax 102 tube adds to that.\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's Maksutov manual notes the image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. It gives no cool-down time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHand Control and Camera Control\u003c\/h3\u003e\n\u003cp\u003eThe HAND CONTROL port is an RJ-12 6-pin outlet for a \u003ca href=\"\/en-int\/products\/sky-watcher-v5-synscan-handbox-controller\"\u003eSynScan hand control\u003c\/a\u003e (sold separately). The SNAP port is a stereo jack for a camera's shutter control port, and the SynScan hand control can trigger the camera through it.\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's SynScan PTZ app runs time-lapse photography. With a shutter release cable in the SNAP port, a 60-second preset fires continuous 60-second exposures until the cable is removed. DSLR control cables for Canon, Nikon, Olympus and Sony cameras can be ordered from a Sky-Watcher dealer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSolar Safety\u003c\/h3\u003e\n\u003cp\u003eNever look directly at the Sun through the telescope: permanent eye damage will result.\u003c\/p\u003e\n\u003cp\u003eUse a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finder when observing the Sun. Never use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is it designed for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eMaksutov-Cassegrains are take-anywhere telescopes, also ideal when working space is limited, with high-resolution, diffraction-limited optical systems multi-coated to maximize contrast and image sharpness. The AZ-GTi is a compact travel mount for alt-az GoTo and video time-lapse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I power the Sky-Watcher AZ-GTi mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePower it with 8 AA batteries (not included) or an external DC supply of 7.5 to 14 V at 750 mA or more, with a center-positive 5.5mm\/2.0mm barrel plug. Use a regulated 12 V switching supply, not an unregulated AC-to-DC adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use it for photography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe AZ-GTi is an alt-azimuth mount. Sky-Watcher's SynScan PTZ app runs time-lapse photography. With a shutter release cable in the SNAP port, a 60-second preset fires continuous 60-second exposures until the cable is removed; DSLR control cables for Canon, Nikon, Olympus and Sony can be ordered from a Sky-Watcher dealer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I connect my phone?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTurn on the mount; it broadcasts its own Wi-Fi network (SSID SynScan_xxxx, no password by default). Connect within 15 minutes, or the Wi-Fi turns off. Then use the free SynScan Pro app for iOS or Android to align and control the telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use a different telescope on the AZ-GTi mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The V-style saddle carries 5 kg (11 lb), and the mount can support anything from a small Maksutov or refractor to a mid-sized DSLR.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Freedom Find™ feature on the AZ-GTi mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFreedom Find auxiliary encoders on both axes let the mount keep track of its position when you unlock the clutches and move it by hand, so it does not lose its alignment. Re-lock the clutches to return to motor control. The manual recommends disabling it for the best pointing accuracy if you do not need to move the mount by hand after alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen do I need the pier extension?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe AZ-GTi manual says to fit the extension pier between the tripod and the mount when using a long tube that would otherwise hit the tripod legs when pointed high up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the Red Dot Finder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTurn on the finder by rotating the brightness control clockwise until it clicks. Center a bright object in a low-power eyepiece and, with both eyes open, turn the finder's azimuth and altitude controls until the red dot merges with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finder, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the clutches?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFully tighten the clutches for motor-driven use: the manual says this gives the best pointing accuracy. Half engage them to point by hand while the tube stays put, and fully loosen them to move the telescope quickly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat comes in the box?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Skymax 102 tube, the AZ-GTi Wi-Fi GoTo mount head, an adjustable aluminum tripod, a pier extension, a red dot finder, a 1.25\" star diagonal, and Super 25mm and Super 10mm 1.25\" eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e102mm (4 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight\u003c\/td\u003e\n\u003ctd\u003e4.6 lbs (2.1 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder\u003c\/td\u003e\n\u003ctd\u003eRed Dot Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\" Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification (Included Eyepieces)\u003c\/td\u003e\n\u003ctd\u003e52x (25mm), 130x (10mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eMotorized Alt-Azimuth GoTo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eIntegrated WiFi via SynScan Pro App (iOS\/Android)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload Capacity\u003c\/td\u003e\n\u003ctd\u003e11 lbs (5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount and Tripod Weight\u003c\/td\u003e\n\u003ctd\u003e8.6 lbs (about 4 kg assembled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eV-Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Connection\u003c\/td\u003e\n\u003ctd\u003e3\/8\"-16 (with 1\/4\"-20 adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e8x AA batteries or DC 7.5 to 14 V, 750 mA minimum (12 V recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSLR Integration\u003c\/td\u003e\n\u003ctd\u003eAutomatic Shutter Release Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 102mm Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAZ-GTi WiFi GoTo Mount Head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAdjustable Aluminum Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003ePier Extension\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Dot Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSuper 25mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSuper 10mm Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher_AZ-GTi_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Sky-Watcher AZ-GTi Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.skywatcherusa.com\/pages\/apps\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload SynScan Pro App\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.skywatcherusa.com\/pages\/firmware-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Sky-Watcher Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/eq-mod.sourceforge.net\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload EQMOD\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967194165533,"sku":"SW-S21120","price":1060.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-102-AZ-GTi-S21120-1__65139.1594170804.1280.1280.jpg?v=1684338566"},{"product_id":"sky-watcher-skymax-127-az-gti","title":"Sky-Watcher Skymax 127 AZ-GTi","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127 mm (5 in) Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1540 mm Focal Length (f\/12.1)\u003c\/li\u003e\n\u003cli\u003eMotorized GoTo Altitude-Azimuth Mount with 11 lb Payload Capacity\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi for App-Based Control via SynScan\u003c\/li\u003e\n\u003cli\u003eFreedom Find Dual-Encoder Technology\u003c\/li\u003e\n\u003cli\u003ePowered by 8 AA Batteries or External DC Power\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eThe Sky-Watcher Skymax 127 AZ-GTi GoTo Telescope\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 127 AZ-GTi\u003c\/strong\u003e pairs a 127mm Maksutov-Cassegrain (1540mm, f\/12.1; 9.37 lb) with the AZ-GTi Wi-Fi GoTo \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealt-azimuth mount\u003c\/a\u003e, which carries 5 kg (11 lb). Freedom Find encoders let you move the telescope by hand without losing alignment. The kit includes an adjustable aluminum tripod, an extension pier, an accessory tray, a red dot finder, a 1.25\" diagonal and 10mm and 25mm eyepieces, and the mount runs on 8 AA batteries or an external DC supply.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSkymax 127 Optics: A 127mm, f\/12.1 System\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher Maksutov-Cassegrains are take-anywhere telescopes, also ideal when working space is limited, with high-resolution, diffraction-limited optical systems multi-coated to maximize contrast and image sharpness, for terrestrial or astronomical use.\u003c\/p\u003e\n\u003cp\u003eThe aperture is 127mm with a 1540mm focal length (f\/12.1). Focus is by moving the primary mirror with the knob at the rear: turn it slowly one way or the other until the image is sharp. The image usually needs fine refocusing over time because of temperature changes and flexure, and almost always after changing an eyepiece or adding or removing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAZ-GTi Mount: 11 lb Capacity with Freedom Find Encoders\u003c\/h3\u003e\n\u003cp\u003eThe AZ-GTi carries 5 kg (11 lb) on its V-style saddle and its head weighs 1.3 kg (2.9 lb). It attaches to the tripod with a 3\/8\" socket, and Sky-Watcher includes an adapter for 1\/4\"-20 threads.\u003c\/p\u003e\n\u003cp\u003eFreedom Find auxiliary encoders on both axes let the mount keep track of its position when you unlock the clutches and turn it by hand, so it does not lose its alignment; re-lock the clutches to return to motor control. The feature can be disabled in the SynScan app or \u003ca href=\"\/en-int\/collections\/hand-controllers-and-drives\"\u003ehand control\u003c\/a\u003e, and the manual recommends disabling it for the best pointing accuracy if you do not need to move the mount by hand after alignment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotors:\u003c\/strong\u003e DC servo with a 6480 gear ratio and a tracking resolution of 2,073,600 counts\/rev (0.625 arc-second).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreedom Find encoders:\u003c\/strong\u003e 1068 counts\/rev (approx. 20 arc-minutes).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClutches:\u003c\/strong\u003e fully tighten them for motor-driven use, which the manual says gives the best pointing accuracy; half engage them to point by hand while the tube stays put; fully loosen them to move the telescope quickly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSynScan App Control via Built-in Wi-Fi\u003c\/h3\u003e\n\u003cp\u003eThe mount broadcasts its own Wi-Fi network (SSID SynScan_xxxx, no password by default), so a phone or tablet running the free SynScan Pro app for iOS or Android connects directly without internet. Use SynScan Pro to align the mount for celestial tracking, or Sky-Watcher's SynScan PTZ app for time-lapse photography.\u003c\/p\u003e\n\u003cp\u003eConnect within 15 minutes of turning the power on, or the Wi-Fi turns off. The Wi-Fi configuration resets to factory default if you power the mount on with no hand control connected and no app operations over Wi-Fi for 4 hours. A \u003ca href=\"\/en-int\/products\/sky-watcher-v5-synscan-handbox-controller\"\u003eSynScan hand control\u003c\/a\u003e (sold separately) plugs into the HAND CONTROL port, an RJ-12 6-pin outlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePowering the AZ-GTi: 8 AA Batteries or an External DC Supply\u003c\/h3\u003e\n\u003cp\u003eThe mount runs on 8 AA batteries (not included) in its battery compartment, or on an external \u003ca href=\"\/en-int\/collections\/power-accessories\"\u003epower supply\u003c\/a\u003e through the POWER input.\u003c\/p\u003e\n\u003cp\u003eAn external supply must deliver DC 7.5V to 14V, at least 0.75A, through a center-positive barrel plug with 2.0mm I.D. and 5.5mm O.D. Voltage outside this range might cause permanent damage to the motor controller or the hand controller. Do not use an unregulated AC-to-DC adapter: use a switching power supply with a 12V output and at least 750mA.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAssembly and Setup: Tripod, Extension Pier, and Accessory Tray\u003c\/h3\u003e\n\u003cp\u003eThe kit includes an adjustable-height aluminum tripod, an extension pier and an accessory tray. Fully expand the three tripod legs on level ground and install the tray: align it, push down and rotate it to lock. The tray keeps the legs firmly expanded, which prevents the tripod from tipping over, so always use it.\u003c\/p\u003e\n\u003cp\u003eFor a long tube, the manual says to insert the extension pier between the tripod and the mount so the telescope cannot hit the tripod legs when it points high. Tighten the 3\/8\" bolt moderately, as over-tightening can damage the internal parts. Adjust the leg lengths to center the bubble level on the mount, then rotate the saddle until the \u003ca href=\"\/en-int\/collections\/dovetail-plates\"\u003edovetail\u003c\/a\u003e groove is horizontal, loosen the dovetail locking knob, slide the dovetail bar in while holding the tube level, and tighten the knob. Fully loosen the altitude clutch while holding the tube to check the balance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMagnification with the Included Eyepieces\u003c\/h3\u003e\n\u003cp\u003eMagnification is determined by dividing the telescope's focal length by the eyepiece's focal length. With the Skymax 127's 1540mm focal length, the two included 1.25\" eyepieces provide distinct views:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e25mm eyepiece:\u003c\/strong\u003e 1540 \/ 25 = 61.6x.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10mm eyepiece:\u003c\/strong\u003e 1540 \/ 10 = 154x.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, since air turbulence limits what you can usefully magnify, and skywatcher.com lists 254x as the highest practical power for its 127mm Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWeight and Temperature\u003c\/h3\u003e\n\u003cp\u003eThe tube weighs 9.37 lb. The AZ-GTi with tripod weighs 8.6 lb (about 4 kg fully assembled), easily fitting in carry-on luggage.\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's Maksutov manual notes the image usually needs fine refocusing over time as the telescope adjusts to temperature changes, particularly before it has reached outside temperature. It gives no cool-down time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHand Control and Camera Control\u003c\/h3\u003e\n\u003cp\u003eThe mount has ports for two accessories:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynScan hand control:\u003c\/strong\u003e plugs into the HAND CONTROL port; see the SynScan hand control manual for its use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDSLR control cables:\u003c\/strong\u003e the SNAP port is a stereo jack for a camera's shutter control port. Cables for Canon, Nikon, Olympus and Sony models can be ordered from a Sky-Watcher dealer. With a shutter release cable in the SNAP port, a 60-second preset fires continuous 60-second exposures until the cable is removed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSolar Safety\u003c\/h3\u003e\n\u003cp\u003eSky-Watcher's Maksutov manual gives this warning:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCAUTION:\u003c\/strong\u003e NEVER USE YOUR TELESCOPE TO LOOK DIRECTLY AT THE SUN. PERMANENT EYE DAMAGE WILL RESULT. USE A PROPER \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003eSOLAR FILTER\u003c\/a\u003e FIRMLY MOUNTED ON THE FRONT OF THE TELESCOPE FOR VIEWING THE SUN. WHEN OBSERVING THE SUN, PLACE A DUST CAP OVER YOUR \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003eFINDERSCOPE\u003c\/a\u003e OR REMOVE IT TO PROTECT YOU FROM ACCIDENTAL EXPOSURE. NEVER USE AN EYEPIECE-TYPE SOLAR FILTER AND NEVER USE YOUR TELESCOPE TO PROJECT SUNLIGHT ONTO ANOTHER SURFACE, THE INTERNAL HEAT BUILD-UP WILL DAMAGE THE TELESCOPE OPTICAL ELEMENTS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the Sky-Watcher Skymax 127 AZ-GTi?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe mount broadcasts its own Wi-Fi network (SSID SynScan_xxxx, no password by default), so a phone or tablet running the free SynScan Pro app for iOS or Android connects directly without internet. A SynScan hand control (sold separately) can also be plugged into the hand control port.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the Freedom Find feature on the Skymax 127's mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFreedom Find auxiliary encoders on both axes let the mount keep track of its position when you unlock the clutches and turn it by hand, so it does not lose its alignment; re-lock the clutches to return to motor control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification do the eyepieces give?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e154x with the 10mm and 61.6x with the 25mm: divide the 1540mm focal length by the eyepiece's. Sky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, and skywatcher.com lists 254x as the highest practical power for its 127mm Maksutov.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I set it up?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eExpand the tripod legs on level ground and lock the accessory tray in place, fit the extension pier if the tube would hit the legs when pointed high, attach the mount head and slide the tube's dovetail into the saddle. Power the mount on with 8 AA batteries or an external supply, connect your phone to its Wi-Fi within 15 minutes and open the SynScan Pro app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use a portable battery pack to power the Skymax 127 AZ-GTi?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, within the manual's limits: DC 7.5 to 14 V at 750 mA or more, with a center-positive 5.5mm\/2.0mm barrel plug. Use a regulated 12 V switching supply, not an unregulated AC-to-DC adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use it for photography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe AZ-GTi is an alt-azimuth mount. Sky-Watcher's SynScan PTZ app runs time-lapse photography. With a shutter release cable in the SNAP port, a 60-second preset fires continuous 60-second exposures until the cable is removed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhen do I need the extension pier?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe AZ-GTi manual says to insert the extension pier between the tripod and the mount when using a long tube that would otherwise hit the tripod legs when pointed high up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I align the included red dot finder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTurn on the finder by rotating the brightness control clockwise until it clicks. Center a bright object in a low-power eyepiece and, with both eyes open, turn the finder's azimuth and altitude controls until the red dot merges with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much does the Skymax 127 AZ-GTi system weigh?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tube weighs 9.37 lb (4.25 kg). The assembled mount, tripod and pier weigh 8.6 lb (3.9 kg), and the mount head 1.3 kg (2.9 lb).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the AZ-GTi mount with other telescopes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The V-style saddle carries 5 kg (11 lb), and the mount can support anything from a small Maksutov or \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractor\u003c\/a\u003e to a mid-sized DSLR.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an internet connection to use the Skymax 127 AZ-GTi?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The mount creates its own Wi-Fi network and your phone or tablet connects to it directly. You need the internet only to download the free SynScan Pro app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finder, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer SKU\u003c\/td\u003e\n\u003ctd\u003eS21130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127 mm (5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1540 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder\u003c\/td\u003e\n\u003ctd\u003eRed dot finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepieces\u003c\/td\u003e\n\u003ctd\u003e10 mm and 25 mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e9.37 lb (4.25 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eAltitude-Azimuth, Motorized GoTo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload Capacity\u003c\/td\u003e\n\u003ctd\u003e11 lb (5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eSynScan app (iOS\/Android) via built-in Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFreedom Find\u003c\/td\u003e\n\u003ctd\u003eAuxiliary encoders on both axes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder Resolution\u003c\/td\u003e\n\u003ctd\u003e1068 counts\/rev (approx. 20 arc-minutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eDC Servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Ratio\u003c\/td\u003e\n\u003ctd\u003e6480\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Resolution\u003c\/td\u003e\n\u003ctd\u003e2,073,600 counts\/rev (0.625 arc-second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003eHand control, external power, SNAP camera port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e8 x AA batteries or external DC 7.5-14 V, 0.75 A min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Plug\u003c\/td\u003e\n\u003ctd\u003eBarrel, 2.0mm ID \/ 5.5mm OD, center positive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Base Thread\u003c\/td\u003e\n\u003ctd\u003e3\/8\" socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eAdjustable-height aluminum with accessory tray and extension pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembled Mount Weight\u003c\/td\u003e\n\u003ctd\u003e8.6 lb (3.9 kg) (head + tripod + pier)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e1.3 kg (2.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod \u0026amp; Pier Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 5.7 lb (2.6 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 127 Maksutov-Cassegrain optical tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed dot finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e10 mm eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25 mm eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAZ-GTi mount head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eExtension pier\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAdjustable aluminum tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Maksutov-Manual.pdf?v=1790637199\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":44967194198301,"sku":"SW-S21130","price":1380.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Sky-Watcher-Skymax-127-AZ-GTi-S21130-1__00541.1594170805.1280.1280.jpg?v=1684338578"},{"product_id":"explore-scientific-firstlight-100mm-mak-cassegrain-with-twilight-nano-mount","title":"Explore Scientific FirstLight 100mm Mak-Cassegrain with Twilight Nano Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e100mm Maksutov-Cassegrain OTA\u003c\/li\u003e\n\u003cli\u003e1400mm Focal Length (f\/14)\u003c\/li\u003e\n\u003cli\u003eTwilight Nano Alt-Azimuth Mount\u003c\/li\u003e\n\u003cli\u003e25mm Plössl Eyepiece (1.25\")\u003c\/li\u003e\n\u003cli\u003eIncludes Smartphone Adapter for Photography\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific FirstLight 100mm Mak-Cassegrain with Twilight Nano Mount\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific FirstLight 100mm Mak-Cassegrain telescope combines a powerful 1400mm focal length with a sealed, compact optical tube, making it an excellent instrument for high-magnification viewing. Its f\/14 focal ratio produces exceptionally high-contrast images ideal for resolving fine detail on planets, while the included 25mm Plössl eyepiece provides a versatile starting point for any observing session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e100mm Maksutov-Cassegrain Optics: High-Contrast Planetary Views at f\/14\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e design uses a combination of mirrors and a corrector lens to achieve a long 1400mm focal length in a very short tube. This design excels at producing sharp, high-contrast images, making the FirstLight 100mm a specialist for lunar and planetary observation. You will resolve details like Jupiter's cloud bands, Saturn's rings, and countless craters on the Moon.\u003c\/p\u003e\n\u003cp\u003eThe f\/14 focal ratio is the key to this high contrast, darkening the sky background and making bright objects pop. The trade-off for this power is a narrower field of view, making it less suited for sweeping views of the largest deep-sky objects but perfect for zeroing in on planets, double stars, and globular clusters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eTwilight Nano Mount: Stable, Grab-and-Go Pointing\u003c\/h3\u003e\n\u003cp\u003eThis telescope package includes the lightweight and intuitive Twilight Nano Alt-Azimuth mount. Its simple up-down, left-right motion makes pointing the telescope feel natural, eliminating the complex setup and alignment procedures required by \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eequatorial mounts\u003c\/a\u003e. This makes it an ideal choice for beginners or for quick, spontaneous observing sessions.\u003c\/p\u003e\n\u003cp\u003eDespite its light weight, the mount is a stable platform for the 100mm optical tube, minimizing vibrations for a steady view. The entire setup is easy to transport and can be ready for observing in minutes, embodying the \"grab-and-go\" philosophy that gets you outside under the stars more often.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eComplete Kit: 25mm Eyepiece and Smartphone Adapter Included\u003c\/h3\u003e\n\u003cp\u003eThe FirstLight 100mm Mak arrives ready for observation right out of the box. The package includes a 25mm Plössl eyepiece, which yields a 56x magnification, perfect for locating objects and enjoying wider views of star clusters. A 90° diagonal is also included, providing a comfortable viewing angle when the telescope is aimed high in the sky.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed-Dot Finder:\u003c\/strong\u003e A simple, zero-magnification finder projects a red dot onto a viewing window, allowing you to easily aim the telescope at your target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmartphone Adapter:\u003c\/strong\u003e Capture and share your observations by attaching your smartphone to the eyepiece. This adapter allows you to take basic photos of the Moon and bright planets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat can I see with the FirstLight 100mm Mak-Cassegrain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFirstLight 100mm Mak-Cassegrain\u003c\/strong\u003e is primarily designed for high-contrast views of bright objects. You can expect to see detailed craters and mountains on the Moon, the phases of Venus, Mars' polar caps, Jupiter's main cloud belts and Galilean moons, and the rings of Saturn. It also performs well on bright deep-sky objects like globular clusters and planetary nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the FirstLight 100mm Mak-Cassegrain perform on Jupiter and Saturn?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis telescope excels on planets. With the \u003cstrong\u003eFirstLight 100mm Mak\u003c\/strong\u003e and good seeing conditions, you can clearly resolve Saturn's rings, including the Cassini Division, and see several of its moons. On Jupiter, you will easily see the two main equatorial belts and the four Galilean moons. Adding a higher-power eyepiece (sold separately) will bring out even more subtle cloud detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Twilight Nano mount difficult to set up for a beginner?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the \u003cstrong\u003eTwilight Nano mount\u003c\/strong\u003e is extremely beginner-friendly. It is an alt-azimuth mount, meaning it moves up-down and left-right, just like a camera \u003ca href=\"\/en-int\/collections\/tripods-and-piers\"\u003etripod\u003c\/a\u003e. There is no polar alignment required. You simply attach the telescope, place it on the ground, and you are ready to start observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use other eyepieces with the FirstLight 100mm Mak?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The telescope includes a standard 1.25\" \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e and diagonal, making it compatible with the vast majority of astronomical eyepieces on the market. To get higher magnification for planetary viewing, you could add a 10mm or 12mm eyepiece, which would increase the magnification to 140x and 117x, respectively.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the FirstLight 100mm Mak good for viewing the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can certainly see the Orion Nebula (M42) with the \u003cstrong\u003eFirstLight 100mm Mak\u003c\/strong\u003e, its long f\/14 focal length provides a relatively narrow field of view. You will get a great close-up view of the Trapezium star cluster at its core, but you may not be able to fit the entire nebula and its fainter outer wings into a single field of view, even with the included 25mm eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the included smartphone adapter with the FirstLight 100mm telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe smartphone adapter clamps onto the supplied \u003cstrong\u003e25mm Plössl eyepiece\u003c\/strong\u003e. You then place your phone in the adapter and adjust its position until the phone's camera is looking directly through the eyepiece. It's an easy way to get started with basic astrophotography, allowing you to capture images of the Moon and bright planets to share.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e100mm (3.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Included\u003c\/td\u003e\n\u003ctd\u003e25mm Plössl (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal\u003c\/td\u003e\n\u003ctd\u003e90° Star Diagonal (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Scope\u003c\/td\u003e\n\u003ctd\u003eRed-Dot Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eTwilight Nano Alt-Azimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e812257018031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear \/ Camera-Side Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" eyepiece holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFirstLight 100mm Mak-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTwilight Nano Alt-Azimuth Mount\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Plössl Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e90° Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed-Dot Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSmartphone Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967203406109,"sku":"ES-FL-MC1001400TN","price":419.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-FirstLight-100mm-Mak-Cassegrain-with-Twilight-Nano-Mount-FL-MC1001400TN-1__62078.1594240368.1280.1280.jpg?v=1684338939"},{"product_id":"explore-scientific-firstlight-100mm-mak-cassegrain-with-eq3-mount","title":"Explore Scientific FirstLight 100mm Mak-Cassegrain with EQ3 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMak-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003eLong Focal Length for High Magnification\u003c\/li\u003e\n\u003cli\u003eGerman Equatorial EQ3 Mount\u003c\/li\u003e\n\u003cli\u003eSlow-Motion Controls for Precise Tracking\u003c\/li\u003e\n\u003cli\u003eCompact and Portable Telescope System\u003c\/li\u003e\n\u003cli\u003eIncludes Smartphone Adapter for Basic Astrophotography\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific FirstLight 100mm Mak-Cassegrain with EQ3 Mount\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific FirstLight 100mm Mak-Cassegrain with EQ3 Mount is a compact telescope system designed for high-magnification views of the solar system. Its folded optical path delivers the performance of a much longer telescope in a portable tube, making it an excellent choice for detailed observations of the Moon's craters, Jupiter's cloud belts, and the rings of Saturn. Paired with a stable \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eGerman equatorial mount\u003c\/a\u003e, this telescope provides smooth, reliable tracking to keep celestial objects centered in the \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepiece\u003c\/a\u003e for extended viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Mak-Cassegrain Advantage: High-Contrast Lunar and Planetary Views\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e design is renowned for producing sharp, high-contrast images similar to a \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractor\u003c\/a\u003e but in a much more compact and affordable package. Its long focal length is ideal for achieving the high magnifications necessary to resolve fine details on planetary surfaces. This optical system excels at cutting through atmospheric turbulence to deliver crisp views, making it a specialized instrument for solar system observers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe EQ3 Mount: Smooth Manual Tracking Across the Sky\u003c\/h3\u003e\n\u003cp\u003eThis FirstLight telescope includes the EXOS Nano EQ3, a German equatorial mount designed for astronomical tracking. Once polar aligned, you only need to turn a single slow-motion control knob to follow a planet or star as it moves across the sky. This manual tracking capability is essential for planetary observation at high power, eliminating the need to constantly re-center the object and allowing you to focus on the view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Complete FirstLight Package for Immediate Observing\u003c\/h3\u003e\n\u003cp\u003eExplore Scientific provides a complete package to get you observing on the first clear night. The system includes essential accessories such as an eyepiece, a \u003ca href=\"\/en-int\/collections\/diagonals\"\u003ediagonal\u003c\/a\u003e for comfortable viewing, a \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003ered-dot finder\u003c\/a\u003e to help locate objects, and a \u003ca href=\"\/en-int\/collections\/smartphone-adapters\"\u003esmartphone adapter\u003c\/a\u003e. This adapter allows you to capture and share basic images of bright targets like the Moon, turning your observing session into a creative astrophotography experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFirstLight Mak-Cassegrain vs. a Small Refractor: Focal Length and Portability\u003c\/h3\u003e\n\u003cp\u003eCompared to a refractor of similar aperture, the FirstLight Mak-Cassegrain offers distinct trade-offs. A refractor's primary advantage is its rapid cool-down time and potentially wider field of view, making it versatile for both deep-sky and planetary viewing. However, the Mak-Cassegrain's folded optics give it a significantly longer focal length in a tube that is often half the physical length of a comparable refractor. This makes the Mak exceptionally portable and capable of high magnification without extra accessories like \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e, establishing it as a superior choice for dedicated lunar and planetary observers who prioritize a compact setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat celestial objects is the FirstLight 100mm Mak-Cassegrain best for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe FirstLight 100mm Mak-Cassegrain excels at high-magnification viewing of bright solar system objects. Its long focal length is ideal for observing fine details like the craters and mountains on the Moon, the cloud bands and Great Red Spot on Jupiter, the rings of Saturn, and the phases of Venus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the EQ3 mount on the FirstLight telescope help with observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe EQ3 is a German equatorial mount that, when aligned with Polaris (the North Star), tracks celestial objects with the turn of a single knob. This counteracts the Earth's rotation, keeping your target centered in the eyepiece. This is crucial for high-power planetary viewing, where objects would otherwise drift out of view very quickly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the FirstLight 100mm Mak-Cassegrain portable enough for travel?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. One of the key benefits of the Maksutov-Cassegrain design is its compact and lightweight optical tube. This, combined with the manageable size of the EQ3 mount, makes the entire system easy to transport for trips to dark-sky locations or for setting up quickly in your backyard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat will I be able to see on Jupiter with the FirstLight 100mm Mak-Cassegrain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eUnder steady atmospheric conditions, the FirstLight 100mm Mak-Cassegrain can reveal significant detail on Jupiter. You can expect to clearly see its two main equatorial belts, subtler cloud bands, and the four Galilean moons (Io, Europa, Ganymede, and Callisto). On nights of good seeing, you may also be able to glimpse the Great Red Spot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the FirstLight 100mm Mak-Cassegrain to view the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile this telescope is optimized for planets, it is still capable of viewing brighter deep-sky objects like the Orion Nebula (M42). You will be able to see the core region and the Trapezium star cluster within it. However, its narrow field of view means you won't see the full expanse of larger nebulae or star clusters in a single view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the FirstLight package include everything I need to start observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the package is designed for beginners and includes all the core components. It comes with the telescope tube, the EQ3 mount and \u003ca href=\"\/en-int\/collections\/tripods-and-piers\"\u003etripod\u003c\/a\u003e, a Plössl eyepiece, a star diagonal, a red-dot finder for aiming the scope, and a smartphone adapter for taking pictures of the Moon and bright planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e812257018093\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967203504413,"sku":"ES-FL-MC1001400EQ3","price":338.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-FirstLight-100mm-Mak-Cassegrain-with-EQ3-Mount-FL-MC1001400EQ3-1__65298.1594240368.1280.1280.jpg?v=1684338943"},{"product_id":"explore-scientific-firstlight-127mm-mak-cassegrain","title":"Explore Scientific FirstLight 127mm Mak-Cassegrain","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm (5\") Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1900mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/15 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eIncludes 25mm Plössl Eyepiece \u0026amp; 1.25\" Diagonal\u003c\/li\u003e\n\u003cli\u003eSmartphone Adapter for Basic Astrophotography\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eExplore Scientific FirstLight 127mm Mak-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Explore Scientific FirstLight 127mm Mak-Cassegrain delivers high-power planetary and lunar views through its long 1900mm focal length and high-contrast f\/15 optical system. This 127mm aperture \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e design comes with a 25mm Plössl eyepiece and a 1.25\" 90° diagonal for immediate observation of the night sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 127mm f\/15 Maksutov-Cassegrain Optical System\u003c\/h3\u003e\n\u003cp\u003eThe Maksutov-Cassegrain design is renowned for producing sharp, refractor-like images in a compact package. With a 127mm aperture, this telescope gathers enough light for detailed views of Jupiter's cloud bands, Saturn's rings, and countless lunar craters. The slow f\/15 focal ratio darkens the sky background, significantly increasing contrast on bright objects and making it easier to split tight double stars.\u003c\/p\u003e\n\u003cp\u003eFully multi-coated optics ensure that the maximum amount of light reaches the included 25mm Plössl eyepiece. This combination of a long 1900mm focal length and a sealed optical tube minimizes air currents and requires virtually no maintenance, delivering consistently crisp views every time you observe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCompact Form, 1900mm Reach: A \"Grab-and-Go\" Design\u003c\/h3\u003e\n\u003cp\u003eDespite its powerful 1900mm focal length, the FirstLight 127mm Mak features a remarkably short and portable optical tube. This makes it an ideal \"grab-and-go\" instrument for quick backyard sessions or for travel to dark-sky sites without sacrificing optical power.\u003c\/p\u003e\n\u003cp\u003eThe primary trade-off for this high-magnification design is a narrow field of view. While not suited for sweeping views of the largest nebulae like the North American Nebula (NGC 7000), it excels at framing smaller, brighter targets like the Ring Nebula (M57) or the Hercules Cluster (M13) against a dark sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eReady for Viewing with a 25mm Plössl and Smartphone Adapter\u003c\/h3\u003e\n\u003cp\u003eThis package includes everything you need to start observing as soon as you mount the telescope. The 25mm Plössl eyepiece is a solid general-purpose choice, while the 1.25\" 90° star diagonal provides comfortable viewing angles for objects high in the sky. Locating targets is simplified with the included red-dot finder.\u003c\/p\u003e\n\u003cp\u003eFor those looking to share their discoveries, the included smartphone adapter allows you to quickly capture images of the Moon and bright planets through the eyepiece. It's a straightforward way to begin your journey into basic astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFirstLight 127mm Mak vs. a 5\" Schmidt-Cassegrain: Planetary Focus\u003c\/h3\u003e\n\u003cp\u003eCompared to a standard 5-inch \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e (SCT), which typically has an f\/10 focal ratio and a 1250mm focal length, the FirstLight 127mm Mak is a more specialized instrument.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCT Advantage:\u003c\/strong\u003e An f\/10 SCT offers a wider true field of view with the same eyepiece, making it slightly more versatile for observing larger star clusters and brighter deep-sky objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirstLight 127mm Mak Advantage:\u003c\/strong\u003e The Mak's longer 1900mm focal length achieves significantly higher magnification with any given eyepiece, a distinct benefit for planetary observation. The design's smaller central obstruction also tends to produce higher-contrast images, critical for resolving fine details on planetary surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the FirstLight 127mm Mak-Cassegrain?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need a sturdy astronomical mount with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003edovetail saddle\u003c\/a\u003e. For visual use, a manual \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealt-azimuth mount\u003c\/a\u003e like an Explore Scientific Twilight I or a small computerized GoTo mount like a Celestron NexStar SLT would be an excellent choice for the FirstLight 127mm Mak.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the f\/15 focal ratio of the FirstLight 127mm Mak affect viewing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003ef\/15 focal ratio\u003c\/strong\u003e is considered \"slow,\" which has several key advantages for planetary and lunar viewing. It provides high magnification with standard eyepieces, increases image contrast by darkening the sky background, and is very forgiving of less-expensive eyepiece designs. The main trade-off is a narrower field of view compared to \"faster\" telescopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I do astrophotography with the Explore Scientific FirstLight 127mm Mak?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, for basic imaging. The included smartphone adapter is perfect for taking snapshots of the Moon and bright planets like Jupiter and Saturn. For more serious deep-sky imaging, the f\/15 focal ratio would require very long exposures, making a different type of telescope a better choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the FirstLight 127mm Mak good for deep-sky objects like the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can certainly see bright deep-sky objects, the FirstLight 127mm Mak's long focal length and narrow field of view are not ideal for very large targets like the Orion Nebula (M42) or the Andromeda Galaxy (M31). It is better suited for smaller, concentrated targets like globular clusters (e.g., M13) and planetary nebulae (e.g., M57).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the maximum useful magnification for the FirstLight 127mm Mak on a target like Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA general rule for maximum useful magnification is 50x per inch of aperture (or 2x per millimeter). For the \u003cstrong\u003e127mm\u003c\/strong\u003e FirstLight Mak, this is approximately 254x. On nights of excellent atmospheric seeing, you could push the magnification to this level to see fine details in Jupiter's cloud belts, though on average nights, 150x to 200x will provide a more consistently sharp view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I use the included smartphone adapter with the FirstLight 127mm Mak?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFirst, insert an eyepiece (like the included \u003cstrong\u003e25mm Plössl\u003c\/strong\u003e) into the diagonal and bring an object into sharp focus. Then, clamp your smartphone into the adapter, aligning its camera lens with the center of the eyepiece. Attach the adapter to the eyepiece, turn on your phone's camera app, and you should see the object on your screen, ready to be photographed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127mm (5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1900mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptics\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEyepiece Included\u003c\/td\u003e\n\u003ctd\u003e25mm Plössl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagonal Included\u003c\/td\u003e\n\u003ctd\u003e1.25\" 90° Star Diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Included\u003c\/td\u003e\n\u003ctd\u003eRed-Dot Finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e811803033443\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount included\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube with accessories)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eFirstLight 127mm Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Plössl Eyepiece\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25\" 90° Star Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed-Dot Finder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSmartphone Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":44967203602717,"sku":"ES-FL-MC1271900","price":699.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/Explore-Scientific-FirstLight-127mm-Mak-Cassegrain-FL-MC1271900-1__24116.1594240369.1280.1280.jpg?v=1684338949"},{"product_id":"celestron-nexstar-4se-computerized-telescope","title":"Celestron Nexstar 4SE Computerized Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e102mm (4.02\") Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e1325mm Focal Length (f\/13)\u003c\/li\u003e\n\u003cli\u003eComputerized GoTo Mount with 38,181 Object Database\u003c\/li\u003e\n\u003cli\u003eStarBright XLT Optical Coatings\u003c\/li\u003e\n\u003cli\u003eTotal Kit Weight of 23 lbs (10.4 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eCelestron Nexstar 4SE Computerized Telescope\u003c\/h2\u003e\n\u003cp\u003eThe Celestron NexStar 4SE pairs Celestron's signature orange 102mm (4.02\") \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e tube with a fully computerized single fork arm mount; it is the perfect choice for a first serious telescope. The 1325mm f\/13 optics give 53x with the included 25mm eyepiece and resolve 1.14 arc seconds (Dawes), and the 23 lb system finds any of its 38,181 accessible objects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e102mm f\/13 Maksutov-Cassegrain Optics\u003c\/h3\u003e\n\u003cp\u003eThe 102mm Maksutov-Cassegrain has a 1325mm focal length at f\/13, with a highest useful magnification of 241x and a lowest of 15x. The secondary obstruction is 34% by diameter and 12% by area.\u003c\/p\u003e\n\u003cp\u003eThis design uses a combination of mirrors and a corrector lens to fold a long light path into a compact optical tube that is only 343mm (13.5\") long and weighs just 6 lbs. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStarBright XLT Coatings and 1.14 Arc Second Resolution\u003c\/h3\u003e\n\u003cp\u003eThe optics have Celestron's StarBright XLT coatings. Light gathering power is 212 times that of the human eye and the limiting stellar magnitude is 12.5. The 4SE's four-inch aperture shows Saturn's rings, the cloud bands on Jupiter and geographic features on the surface of the Moon, and from a dark-sky site hundreds of pinpoint stars in the Hercules Globular Cluster and the spiral arms of the Whirlpool Galaxy.\u003c\/p\u003e\n\u003cp\u003eThe telescope's theoretical resolving power is defined by its ability to separate closely spaced details. It achieves a Rayleigh resolution of 1.37 arc seconds and a Dawes limit of 1.14 arc seconds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eNexStar+ Computerized Mount with a 38,181 Object Database\u003c\/h3\u003e\n\u003cp\u003eThe core of the NexStar 4SE is its computerized GoTo system, engineered for intuitive object location and precise tracking. The included NexStar+ hand control provides access to a database of 38,181 objects, and the DC servo motors slew at up to 3° per second. Celestron's patented single fork arm mount is designed to be portable and quick to set up, and the NexStar SE breaks down into several lightweight, compact pieces that are easy to transport, even in small vehicles. The mount has fully enclosed motors and optical encoders for position location, and the NexStar+ hand control sits in the side of the fork arm.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e9 Slew Speeds:\u003c\/strong\u003e Choose from nine different speeds to move quickly across the sky or make fine centering adjustments in the eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Tracking Rates:\u003c\/strong\u003e The mount automatically tracks at Sidereal, Solar, or Lunar rates, keeping your target centered for extended observation or imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 lb Load Capacity:\u003c\/strong\u003e the mount carries 10 lbs (4.54 kg); the tube weighs 6 lbs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSkyAlign: A 3-Object Alignment Without Knowing Any Stars\u003c\/h3\u003e\n\u003cp\u003eSkyAlign makes alignment as easy as 1-2-3: center three bright objects in the eyepiece and press ALIGN. Beginners can take a Sky Tour, which finds the most interesting objects currently visible and slews to each one. Optional accessories include \u003ca href=\"\/en-int\/products\/celestron-starsense-autoalign\"\u003eStarSense AutoAlign\u003c\/a\u003e, which makes the NexStar SE align itself, and SkySync, which provides GPS coordinates.\u003c\/p\u003e\n\u003cp\u003eFor more advanced users or specific situations, the hand control also offers 1-Star, 2-Star, Auto 2-Star, and Solar System alignment procedures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA 23 lb Go-Anywhere System Designed for Portability\u003c\/h3\u003e\n\u003cp\u003eThe best telescope is the one you use most often, and the NexStar 4SE is built to get outside. The entire system weighs only 23 lbs and breaks down into three manageable components: the 6 lb optical tube, the mount head, and the 1.5\" stainless steel tripod. \u003c\/p\u003e\n\u003cp\u003eThe included accessory tray fits the tripod's center leg brace, secured by the leg brace locking knob. The telescope base sits over the positioning pin on the tripod head, its three rubber feet line up with the mounting screws, and the captive mounting bolts tighten from underneath. The tube attaches by its CG-5 dovetail bar; slide it in the \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003edovetail clamp\u003c\/a\u003e to balance, holding it firmly. The altitude axis has a slip clutch you can move by hand; the azimuth axis does not, and forcing it left or right without the hand control can permanently damage the gears.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFrom Visual to Imaging: The Internal Flip Mirror and Built-In Wedge\u003c\/h3\u003e\n\u003cp\u003eThe 4SE has an internal flip mirror instead of a separate \u003ca href=\"\/en-int\/collections\/diagonals\"\u003estar diagonal\u003c\/a\u003e: in the up position it sends light to the 1.25\" eyepiece barrel on top of the rear cell, and in the down position straight through the photographic opening at the back.\u003c\/p\u003e\n\u003cp\u003eThe steel tripod has a built-in equatorial wedge tilt plate with a latitude adjustment rod, and it lets you track long exposures; the hand control has a Wedge Align for it. For the Moon and planets, pair the 4SE with one of the Celestron NexImage cameras. There is no autoguide port.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will Jupiter and Saturn look through the NexStar 4SE?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 4SE's four-inch aperture shows Saturn's rings, the cloud bands on Jupiter and geographic features on the surface of the Moon, and from a dark-sky site hundreds of pinpoint stars in the Hercules Globular Cluster and the spiral arms of the Whirlpool Galaxy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Celestron NexStar 4SE for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe built-in wedge lets you track long exposures; for the Moon and planets, try a NexImage camera. The mount has no autoguide port. The flip mirror's down position sends light straight out of the back of the rear cell for photography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the internal flip mirror on the NexStar 4SE do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 4SE has an internal flip mirror instead of a separate star diagonal: in the up position it sends light to the 1.25\" eyepiece barrel on top of the rear cell, and in the down position straight through the photographic opening at the back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow difficult is setting up and aligning the NexStar 4SE for a beginner?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSetup is designed to be quick and intuitive. The tripod, mount and tube assemble with captive bolts and a dovetail clamp. Alignment is handled by Celestron's SkyAlign procedure: you simply point the telescope at three bright celestial objects (they don't have to be specific stars), and the computer handles the alignment automatically.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of power source does the NexStar 4SE need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe NexStar 4SE runs on eight AA batteries (not included) in the compartment at the center of the base, or on 12 VDC at 750 mA from an optional 12V AC adapter or car battery adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the highest useful magnification for the NexStar 4SE?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe highest useful magnification for the NexStar 4SE is 241x. The lowest useful magnification is 15x; the included 25mm eyepiece gives 53x.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the NexStar 4SE with my computer or smartphone?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe NexStar+ hand control's mini USB port (cable not included) links to a PC for telescope control and for firmware updates with Celestron Firmware Manager (CFM). Celestron includes Starry Night Special Edition and the SkyPortal app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the NexStar 4SE have an autoguide port for deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the NexStar 4SE does not have an autoguide port. This limits its capability for very long, guided exposures of faint deep-sky objects. It is primarily designed for visual astronomy and short-exposure imaging of the Moon and planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat accessories come included with the NexStar 4SE?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 4SE comes with the tube, the single fork arm mount and tripod, a NexStar+ hand control, a StarPointer red dot finderscope and a 25mm Plössl eyepiece (53x). No separate star diagonal is needed: the internal flip mirror sends light to the eyepiece barrel. An accessory tray is also included to hold your eyepieces and accessories during observing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e102mm (4.02\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1325mm (52\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Coatings\u003c\/td\u003e\n\u003ctd\u003eStarBright XLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Eyepiece\u003c\/td\u003e\n\u003ctd\u003e25mm (0.98\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Magnification\u003c\/td\u003e\n\u003ctd\u003e53x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinderscope\u003c\/td\u003e\n\u003ctd\u003eStarPointer™ red dot finderscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Diagonal\u003c\/td\u003e\n\u003ctd\u003eInternal Flip mirror for straight thru or 90° viewing angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e241x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLowest Useful Magnification\u003c\/td\u003e\n\u003ctd\u003e15x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Stellar Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Rayleigh)\u003c\/td\u003e\n\u003ctd\u003e1.37 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Dawes)\u003c\/td\u003e\n\u003ctd\u003e1.14 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e212x (Compared to human eye)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Obstruction\u003c\/td\u003e\n\u003ctd\u003e34% by Diameter, 12% by Area\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e343mm (13.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Weight\u003c\/td\u003e\n\u003ctd\u003e6 lbs (2.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eComputerized Altitude-Azimuth Single Fork Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument Load Capacity\u003c\/td\u003e\n\u003ctd\u003e10 lbs (4.54 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Compatibility\u003c\/td\u003e\n\u003ctd\u003eCG-5 Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e1.5\" Stainless Steel Legs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Kit Weight\u003c\/td\u003e\n\u003ctd\u003e23 lbs (10.4 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirements\u003c\/td\u003e\n\u003ctd\u003e8-AA batteries (not included) or 12 VDC-750 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDC servo motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e9 speeds, max 3°\/second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Rates\u003c\/td\u003e\n\u003ctd\u003eSidereal, Solar and Lunar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlignment Procedures\u003c\/td\u003e\n\u003ctd\u003eSkyAlign, 1-Star, 2-Star, Auto 2-Star, Solar System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e1x AUX Port, Hand Control USB Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Control\u003c\/td\u003e\n\u003ctd\u003eNexStar+, flash upgradeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003e38,181 accessible objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Software\u003c\/td\u003e\n\u003ctd\u003eCelestron Starry Night Special Edition, SkyPortal App\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube outer diameter\u003c\/td\u003e\n\u003ctd\u003e125mm (4.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail included\u003c\/td\u003e\n\u003ctd\u003eCG-5 Dovetail bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar 4SE Optical Tube\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSingle Fork Arm Mount \u0026amp; Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eNexStar+ Hand Control\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e25mm Plössl Eyepiece (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eStarPointer Red Dot Finderscope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAccessory Tray\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron_Nexstar_Plus_Hand_Controller_USB_Manual.pdf?v=1782186855\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-\n7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload NexStar+ Hand Control Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.celestron.com\/pages\/drivers-and-software\" target=\"_blank\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\" class=\"DAV-img-box\"\u003e\u003cpath fill=\"#0047a7\" d=\"M128 32C92.7 32 64 60.7 64 96l0 256 64 0 0-256 384 0 0 256 64 0 0-256c0-35.3-28.7-64-64-64L128 32zM19.2 384C8.6 384 0 392.6 0 403.2C0 445.6 34.4 480 76.8 480l486.4 0c42.4 0 76.8-34.4 76.8-76.8c0-10.6-8.6-19.2-19.2-19.2L19.2 384z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Celestron Software\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/celestron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eCelestron 2-Year Telescope Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":47329008648477,"sku":"CEL-11049","price":909.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Celestron-Nexstar-4SE-11049-1__56243.1599585150.1280.1280.jpg?v=1684345023"},{"product_id":"svbony-mk127-127mm-maksutov-cassegrain-telescope-ota","title":"SVBONY MK127 127mm Maksutov-Cassegrain Telescope OTA","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e127mm Maksutov-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003e1500mm Native Focal Length (f\/11.8)\u003c\/li\u003e\n\u003cli\u003ef\/7.68 with Included 0.65x Focal Reducer\u003c\/li\u003e\n\u003cli\u003eSecondary Mirror with 99% Reflectivity Dielectric Coatings\u003c\/li\u003e\n\u003cli\u003eInternal Dual-Speed Focuser\u003c\/li\u003e\n\u003cli\u003eSCT Male Thread (2\" 24TPI) Rear Port\u003c\/li\u003e\n\u003cli\u003e210mm Vixen-Style Dovetail Plate\u003c\/li\u003e\n\u003cli\u003eOTA Net Weight: 6.47lb (2934g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSVBONY MK127 127mm Maksutov-Cassegrain Telescope OTA\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSVBONY MK127 127mm Maksutov-Cassegrain Telescope OTA\u003c\/strong\u003e is engineered for high-magnification planetary and lunar astronomy, featuring a 1500mm focal length (f\/11.8) and a secondary mirror with 99% reflectivity dielectric coatings for maximum contrast. An included 0.65x focal reducer converts the system to a faster f\/7.68, while the OTA's light gathering power is 254X that of the human eye. The entire optical tube weighs just 6.47 lbs (2934g) and connects to SCT-thread accessories via its SCT male thread (2\" 24TPI).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRumak-Maksutov Optics: 127mm Aperture and 99% Reflectivity\u003c\/h3\u003e\n\u003cp\u003eThe MK127 utilizes a Rumak-style Maksutov-Cassegrain optical system, which separates the secondary mirror from the corrector lens. This design provides superior correction for optical aberrations like coma and astigmatism, resulting in a flatter field and sharper stellar images from edge to edge compared to standard \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e designs.\u003c\/p\u003e\n\u003cp\u003eIts 127mm primary mirror features a multi-coated precision aluminum coating, while the secondary mirror is treated with 99% reflectivity dielectric coatings. This combination maximizes light throughput and enhances contrast, critical for discerning subtle details in planetary cloud bands and the faint structures of globular clusters. Compared with standard \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractors\u003c\/a\u003e, the MK127 significantly reduces chromatic aberration, removing distracting purple edges on lunar detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual-System Imaging: From f\/11.8 Planetary to f\/7.68 Deep Sky\u003c\/h3\u003e\n\u003cp\u003eThis telescope's core strength is its optical flexibility, provided by the included 0.65x focal reducer. It is one telescope for both planetary detail and larger deep-sky targets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative f\/11.8:\u003c\/strong\u003e With a 1500mm focal length, the MK127 is a high-magnification planetary specialist. This long focal ratio makes it easy to achieve the high powers necessary to resolve the Cassini Division in Saturn's rings, Jupiter's Great Red Spot, and fine craterlet chains on the lunar surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced f\/7.68:\u003c\/strong\u003e Attaching the 0.65x reducer transforms the telescope into a more capable deep-sky instrument. The faster focal ratio provides a wider field of view for framing large objects like the Orion Nebula (M42) and reduces imaging exposure times, making it easier to capture faint details.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePrecision Focus Control: Internal Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eThe SVBONY MK127 achieves focus by moving the primary mirror internally, a method that provides a large focus range without an external drawtube.\u003c\/p\u003e\n\u003cp\u003eThe internal focuser is a dual-speed design, offering both coarse and fine adjustments. The fast coarse knob allows for rapid initial focusing, while the fine-adjustment knob delivers the precise control required to achieve critical sharpness on planetary details. This level of control is essential when observing at the high magnifications the MK127's 1500mm focal length enables.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSCT Ecosystem: 2\" 24TPI Threads and Included Adapters\u003c\/h3\u003e\n\u003cp\u003eThe rear of the MK127 optical tube is terminated with a standard SCT male thread (2\" 24TPI). This makes the telescope natively compatible with the vast ecosystem of accessories designed for \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain telescopes\u003c\/a\u003e, including \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eoff-axis guiders\u003c\/a\u003e, \u003ca href=\"\/en-int\/collections\/filter-wheels\"\u003efilter wheels\u003c\/a\u003e, and dedicated \u003ca href=\"\/en-int\/collections\/cameras\"\u003eastronomy cameras\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eSVBONY includes two adapters for visual and camera accessories.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCT to 2\" Adapter:\u003c\/strong\u003e Allows the use of 2-inch \u003ca href=\"\/en-int\/collections\/diagonals\"\u003estar diagonals\u003c\/a\u003e and wide-field \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepieces\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCT to 1.25\" Adapter with T-threads:\u003c\/strong\u003e Enables the use of standard 1.25-inch diagonals and eyepieces, and includes a T adapter for camera attachment (a DSLR also needs its T-ring).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting the MK127: 210mm Dovetail at Just 6.47 lbs\u003c\/h3\u003e\n\u003cp\u003eWeighing only 6.47 lbs (2934g), the MK127 OTA is compact for its 127mm aperture, and SVBONY presents it as a telescope to take from the backyard to remote imaging trips.\u003c\/p\u003e\n\u003cp\u003eThe telescope comes with a 210mm Vixen-style dovetail plate for mounts with a Vixen-style \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e. The plate is removable (M5 hex screws, S4 wrench). Two versatile dovetail mounting bases are also included, providing attachment points for finderscopes or guide scopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSVBONY MK127 vs. MK105: Aperture and Imaging Flexibility\u003c\/h3\u003e\n\u003cp\u003eWhile both the MK127 and its smaller sibling, the \u003ca href=\"\/en-int\/products\/svbony-mk105-105mm-maksutov-cassegrain-telescope-ota\"\u003eMK105\u003c\/a\u003e, are compact Maksutov-Cassegrain telescopes, SVBONY's comparison table shows these differences.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAperture:\u003c\/strong\u003e 127mm against 105mm; light gathering power is 254X for the MK127 and 210x for the MK105.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Focal Reducer:\u003c\/strong\u003e The MK127 includes a dedicated 0.65x focal reducer, giving it dual-focal-ratio capabilities (f\/11.8 and f\/7.68) out of the box. No reducer comes with the MK105.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Thread:\u003c\/strong\u003e SCT male thread (2\" 24TPI) on the MK127, M42x0.75 for a T-ring on the MK105.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is required for the SVBONY MK127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SVBONY MK127 weighs only 6.47 lbs (2934g) and includes a 210mm Vixen-style dovetail plate. It fits mounts with a Vixen-style saddle; choose one rated for the OTA plus your diagonal, eyepiece or camera. For visual use, a sturdy alt-azimuth mount is sufficient. For astrophotography, an equatorial mount is recommended for tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat are the f\/11.8 and f\/7.68 focal ratios on the SVBONY MK127 used for?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese two focal ratios give the SVBONY MK127 its flexibility:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ef\/11.8 (Native):\u003c\/strong\u003e This is the telescope's natural focal ratio from its 1500mm focal length. It suits high-magnification visual observation of the Moon, planets, and double stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ef\/7.68 (with Reducer):\u003c\/strong\u003e By attaching the included 0.65x focal reducer, you get a wider, brighter field of view. This is better suited for observing larger deep-sky objects like the Andromeda Galaxy (M31) and for astrophotography, as it reduces exposure times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see the Cassini Division in Saturn's rings with the SVBONY MK127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Under conditions of good atmospheric seeing, a 127mm aperture such as the SVBONY MK127's can show fine planetary details like the Cassini Division, as well as the major cloud belts and Great Red Spot on Jupiter. The internal dual-speed focuser is critical for achieving the precise focus needed to see such details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SVBONY MK127 suitable for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, particularly when using the included 0.65x focal reducer to operate at f\/7.68. This provides a wider field of view to help frame large targets like the Orion Nebula (M42) and shortens exposure times. For best results, the telescope should be used on a stable equatorial mount that can accurately track the sky for long exposures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the benefit of the Rumak design in the SVBONY MK127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Rumak optical design used in the SVBONY MK127 separates the secondary mirror from the rear of the corrector plate. This gives optical designers more freedom to correct for off-axis aberrations, resulting in a flatter field and sharper stars across a wider area compared to a standard Gregory-Maksutov. It's a key feature that enhances the telescope's high-resolution capabilities for both visual and imaging use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the SVBONY MK127 need collimation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe optical axis is calibrated before the telescope leaves the factory, as for all MK series telescopes, so no focusing tube or routine alignment is needed before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow long does the SVBONY MK127 take to cool down?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAs an enclosed tube design, the MK127 needs time for its internal optics to acclimate to the outside ambient temperature. The larger the temperature difference, the longer it takes. Letting the telescope cool is important for achieving the sharpest, highest-contrast views, as internal tube currents can degrade the image.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat eyepieces should I start with for the SVBONY MK127?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA good starting set of eyepieces would include a low-power, wide-field eyepiece for locating objects and a high-power eyepiece for planetary detail. For the MK127's 1500mm focal length:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power:\u003c\/strong\u003e A 25mm to 32mm Plössl eyepiece will provide a wide field of view for finding objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Power:\u003c\/strong\u003e A 9mm to 12mm eyepiece will provide high magnification for detailed views of the Moon and planets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou will also need to purchase a 1.25\" or 2\" star diagonal, as one is not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the back focus distance for the included 0.65x reducer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen using the included 0.65x focal reducer for imaging, the required back focus distance from the reducer to the camera sensor is 55mm. This is a standard distance for many astronomy cameras and DSLR\/mirrorless cameras with the appropriate T-ring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 0.65x focal reducer for the MK127 sold separately?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the 0.65x focal reducer is a dedicated accessory designed specifically for the MK127 optical system. It is included as a standard accessory with the telescope and is not sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSVBONY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Structure\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain optics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/11.8 \u0026amp; f\/7.68 (w\/ Focal Reducer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e254X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eInternal Dual Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Mirror Coating\u003c\/td\u003e\n\u003ctd\u003eMulti-coated Precision Aluminum Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Coating\u003c\/td\u003e\n\u003ctd\u003e99% Reflectivity Dielectric Coatings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter Thread\u003c\/td\u003e\n\u003ctd\u003eSCT Male thread (2\" 24TPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e2934g \/ 6.47lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1500 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMK127 Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e0.65x Focal Reducer\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSCT to 2\" Mount Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSCT to 1.25\" Mount w\/ T Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25-inch Dust Plug\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMetal Objective Lens Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVixen Style Dovetail Plate 210mm\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVersatile Dovetail Mounting Base\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 2\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eScrews\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 10\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eUser Manual\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSVBONY 1-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861222846749,"sku":"SV-F9382C","price":574.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-Maksutov-Cassegrain-Telescope-for-Planetary-Observation-MK127-1_95fce2f1-88b8-4e42-a432-f8ada06961ea.jpg?v=1788883057"},{"product_id":"svbony-mk105-105mm-maksutov-cassegrain-telescope-ota","title":"SVBONY MK105 105mm Maksutov-Cassegrain Telescope OTA","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e105mm Maksutov-Cassegrain Optics\u003c\/li\u003e\n\u003cli\u003e1365mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/13 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eWeighs Only 4.83 lbs (2193g)\u003c\/li\u003e\n\u003cli\u003e377mm Optical Tube Length\u003c\/li\u003e\n\u003cli\u003eDual Finder-Style Mounting Bases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSVBONY MK105 105mm Maksutov-Cassegrain Telescope OTA\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY MK105 105mm Maksutov-Cassegrain Telescope OTA packs a powerful 1365mm focal length into a tube just 377mm long, using its 105mm aperture to achieve a planetary-friendly f\/13 focal ratio. Weighing only 4.83 lbs, this \u003ca href=\"\/en-int\/collections\/optical-tubes\"\u003eoptical tube assembly\u003c\/a\u003e is, in SVBONY's words, about half the size of a \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractor\u003c\/a\u003e and built for travel. With a theoretical resolution of 1.1 arc seconds and light gathering power of 210x over the naked eye, the MK105 is engineered for detailed observation of the Moon and planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMaksutov-Cassegrain Optics: A 1365mm Focal Length for High-Power Views\u003c\/h3\u003e\n\u003cp\u003eThe MK105's design prioritizes high-magnification clarity and contrast. Its long 1365mm focal length and slow f\/13 focal ratio suit pushing magnification on bright targets like Jupiter's cloud bands, Saturn's rings, and lunar craters. The \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e corrector lens, multi-coated aluminum primary mirror, and secondary mirror with 99% reflectivity dielectric coatings work together to produce sharp, high-contrast images.\u003c\/p\u003e\n\u003cp\u003eThis long focal length makes it easy to achieve high power with common 1.25\" \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepieces\u003c\/a\u003e, eliminating the need for \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e in many situations. While the resulting narrow field of view is a trade-off for large deep-sky objects, the long focal length suits close double stars and fine detail on solar system targets. Limiting magnitude is 12.1.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e105mm Aperture: 1.1 Arc Second Resolution and 210x Light Gathering\u003c\/h3\u003e\n\u003cp\u003eThe 105mm aperture gathers 210x more light than the naked eye, providing bright, detailed views of the Moon and planets. This aperture is large enough to resolve features down to 1.1 arc seconds under steady skies, allowing you to distinguish fine rilles on the lunar surface and subtle banding on Jupiter's atmosphere. The MK105 needs no periodic collimation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Contrast Views:\u003c\/strong\u003e The Maksutov-Cassegrain design uses a convex meniscus lens, which helps to reduce the central obstruction and boost image contrast compared to other \u003ca href=\"\/en-int\/collections\/reflectors\"\u003ereflector\u003c\/a\u003e designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Optics:\u003c\/strong\u003e The metal mirror structure keeps the optical structure stable during transport, with no periodic collimation needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eGrab-and-Go Portability: Just 4.83 lbs and 377mm Long\u003c\/h3\u003e\n\u003cp\u003eAt only 4.83 lbs (2193g) and 377mm in length, the MK105 is a true grab-and-go instrument. This compact form factor is a direct benefit of the folded light path of the Maksutov-Cassegrain design, achieving a long focal length in a tube half the size of a refractor. The internal focusing mechanism, which moves the primary mirror, further reduces its footprint by eliminating the need for an external drawtube.\u003c\/p\u003e\n\u003cp\u003eThe metal optical tube ensures the internal components remain protected and aligned during transport. It mounts via its 160mm, 75-degree Vixen-style dovetail plate, which suits mainstream equatorial mounts, making it a reliable choice for trips to dark-sky sites or for quick backyard sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eDual Finder Shoes and an M42x0.75 Rear Port for Imaging\u003c\/h3\u003e\n\u003cp\u003eA standout feature of the MK105 is its inclusion of two separate finder-style mounting bases. This allows you to mount both a zero-magnification \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003ered-dot finder\u003c\/a\u003e for initial aiming and a magnified optical finderscope or small \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eguidescope\u003c\/a\u003e simultaneously. This dual-mount capability adds significant flexibility for both visual observers and aspiring imagers without requiring any modification to the optical tube.\u003c\/p\u003e\n\u003cp\u003eFor astrophotography, the rear of the telescope features a standard M42x0.75 T-thread. This allows for a direct, secure attachment of a DSLR or dedicated \u003ca href=\"\/en-int\/collections\/cameras\"\u003eastronomy camera\u003c\/a\u003e with the appropriate T-ring (sold separately), providing a solid connection for capturing high-resolution images of the Moon and planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSVBONY MK105 vs. an 80mm Refractor: Magnification vs. Field of View\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a portable telescope, a common comparison is between a Maksutov like the MK105 and a short-tube 80mm refractor.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80mm Refractor Advantage:\u003c\/strong\u003e A typical 80mm f\/7 refractor offers a much wider field of view and a faster focal ratio. This makes it better suited for observing large deep-sky objects like the Andromeda Galaxy (M31) or the Pleiades (M45) that won't fit in the MK105's field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSVBONY MK105 Advantage:\u003c\/strong\u003e The MK105's 1365mm focal length is more than double that of a typical 80mm refractor. This provides significantly higher native magnification for any given eyepiece, which suits planetary and lunar detail without a Barlow lens. The MK105's 377mm tube is also compact.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the SVBONY MK105 perform on planets like Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe MK105 is suited to planetary visual observation and planetary photography. Its long 1365mm focal length and f\/13 ratio provide the high magnification needed to resolve details like Jupiter's main cloud bands and Great Red Spot, the Cassini Division in Saturn's rings, and the polar ice caps on Mars when it is near opposition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the SVBONY MK105 OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a weight of only 4.83 lbs, the MK105 is very lightweight and works well on a variety of mounts. For visual use, a sturdy alt-azimuth mount is sufficient. For planetary imaging, a small equatorial mount is recommended for tracking the apparent motion of the planets across the sky.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SVBONY MK105 for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the MK105 is well-suited for high-magnification lunar and planetary astrophotography. The M42x0.75 T-thread on the back allows for a direct connection to a DSLR or a high-frame-rate \u003ca href=\"\/en-int\/collections\/planetary-cameras\"\u003eplanetary camera\u003c\/a\u003e with the correct adapter. Its slow f\/13 focal ratio makes it less ideal for faint deep-sky objects like nebulae and galaxies, which require faster optics to capture in reasonable exposure times.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich eyepieces work best with the MK105 for viewing Saturn's rings?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTo see detail like the Cassini Division in Saturn's rings, you'll want high magnification. Pairing the 1365mm focal length with a 10mm eyepiece would yield 137x, a great starting point. An 8mm eyepiece would provide 170x, pushing closer to the practical magnification limit of the telescope under typical seeing conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the SVBONY MK105 a good telescope for a beginner?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe MK105 can be a great second telescope or a first choice for a beginner specifically interested in the Moon and planets. Its compact, portable design suits that use. However, because this is an Optical Tube Assembly (OTA) only, a beginner will need to purchase a mount, tripod, diagonal, and eyepieces separately to have a complete, usable setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat accessories do I need to start observing with the MK105?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eSince this is the optical tube only, you will need several items to begin observing:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA mount and tripod compatible with a Vixen-style dovetail.\u003c\/li\u003e\n\u003cli\u003eA 1.25\" star diagonal for comfortable viewing angles.\u003c\/li\u003e\n\u003cli\u003eOne or two 1.25\" eyepieces (a 25mm for low power and a 10mm for high power is a good start).\u003c\/li\u003e\n\u003cli\u003eA finder scope or red-dot finder to mount on one of the accessory bases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach a DSLR camera to the SVBONY MK105?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need a T-ring for your camera mount. The T-ring threads directly onto the MK105's M42x0.75 rear port. Once attached, your camera body connects to the T-ring just like a lens, providing a secure connection for imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the MK105 require frequent collimation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Maksutov-Cassegrain design is known for its stability, and no periodic collimation is needed. If adjustment is ever needed, the manual describes three pairs of push-pull collimation screws on the back frame of the tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy does the SVBONY MK105 have two finder mounting bases?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe dual mounting bases provide added flexibility. You can mount two different aiming devices at once, such as a red-dot finder for quickly locating objects and a traditional magnified finderscope for precise centering. This is a convenient feature for tailoring the telescope to your specific observing style.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the MK105 suitable for viewing deep-sky objects like the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can certainly see bright deep-sky objects like the Orion Nebula (M42) or the Hercules Cluster (M13), the MK105's long f\/13 focal ratio results in a very narrow field of view. This means very large objects like the Andromeda Galaxy (M31) or the Pleiades (M45) will not fit in the frame. A telescope with a shorter focal length is better suited for wide-field deep-sky observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e105mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1365mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1.1 arc second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLimiting Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Gathering Power\u003c\/td\u003e\n\u003ctd\u003e210x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Mirror\u003c\/td\u003e\n\u003ctd\u003eMulti-coated Precision Aluminum Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocusing Mechanism\u003c\/td\u003e\n\u003ctd\u003eInternal Optical Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Mounting\u003c\/td\u003e\n\u003ctd\u003e2x Finder-style mounting bases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Port Thread\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 for T-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Length\u003c\/td\u003e\n\u003ctd\u003e377mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Tube Diameter\u003c\/td\u003e\n\u003ctd\u003e119mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e2193g \/ 4.83lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Included\u003c\/td\u003e\n\u003ctd\u003eVixen-style, 160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser \/ Drawtube Size\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Included\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror\u003c\/td\u003e\n\u003ctd\u003e99% Reflectivity Dielectric Coatings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSvbony MK105 OTA with 160mm Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSvbony MK105 OTA with 160mm Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY_MK105_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony Warranty Policy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861223928093,"sku":"SV-F9382A","price":322.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-MK105-Maksutov-Cassegrain-OTA-105mm-Telescope-160mm-Dovetail-1_0ee3b3b1-98eb-487a-8f0e-5fb4fec2efbe.jpg?v=1788659416"},{"product_id":"svbony-mk90-90mm-maksutov-cassegrain-telescope-ota","title":"SVBONY MK90 90mm Maksutov-Cassegrain Telescope OTA","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e90mm Aperture\u003c\/li\u003e\n\u003cli\u003eMaksutov-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003e1250mm Focal Length (f\/13.9)\u003c\/li\u003e\n\u003cli\u003eInternal Baffling for Stray Light Control\u003c\/li\u003e\n\u003cli\u003e70mm Vixen-Style Dovetail Plate\u003c\/li\u003e\n\u003cli\u003eStandard 1.25-inch Focuser\u003c\/li\u003e\n\u003cli\u003eUNC ¼-20 Tripod Mounting Hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSVBONY MK90 90mm Maksutov-Cassegrain Telescope OTA\u003c\/h2\u003e\n\u003cp\u003eThe SVBONY MK90 90mm Maksutov-Cassegrain Telescope OTA packages a long 1250mm focal length into a highly compact and portable optical tube. Its 90mm aperture and f\/13.9 focal ratio are engineered for high-magnification views of the Moon, planets, and double stars. This \u003ca href=\"\/en-int\/collections\/optical-tubes\"\u003eoptical tube assembly\u003c\/a\u003e (OTA) connects to standard astronomical mounts using its included 70mm Vixen-style dovetail and is also compatible with photographic \u003ca href=\"\/en-int\/collections\/tripods-and-piers\"\u003etripods\u003c\/a\u003e via a standard UNC ¼-20 thread.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe SVBONY MK90: A 90mm Go-Anywhere Telescope for High-Power Viewing\u003c\/h3\u003e\n\u003cp\u003eThe MK90 is designed for observers who prioritize sharp, high-contrast planetary and lunar detail in a telescope that is easy to transport and set up. The Maksutov-Cassegrain design concentrates the optical power of its 1250mm focal length into a tube that is a fraction of the size of a comparable \u003ca href=\"\/en-int\/collections\/refractors\"\u003erefractor\u003c\/a\u003e or \u003ca href=\"\/en-int\/collections\/newtonian-telescopes\"\u003eNewtonian\u003c\/a\u003e, making it a travel scope or an instrument for quick sessions from a balcony or backyard.\u003c\/p\u003e\n\u003cp\u003eWhether used for astronomy or as a powerful daytime \u003ca href=\"\/en-int\/collections\/spotting-scopes\"\u003espotting scope\u003c\/a\u003e for nature observation, the MK90 delivers the crisp views characteristic of the \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov\u003c\/a\u003e design. It serves both amateur astronomers seeking a dedicated planetary instrument and terrestrial observers who need significant magnification for long-distance viewing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 2-Element Maksutov-Cassegrain Optical Design\u003c\/h3\u003e\n\u003cp\u003eThe optical system of the MK90 consists of a two-element design: a convex meniscus corrector lens and a primary mirror. This configuration corrects for optical aberrations without the need for a complex Schmidt plate, resulting in improved image contrast. Internally, a tapered baffle tube is used to block and absorb stray light, ensuring a dark background and enhancing the visibility of subtle details on bright targets.\u003c\/p\u003e\n\u003cp\u003eThe closed tube also keeps dust off the internal mirror, and the sturdy metal construction withstands travel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e90mm Aperture and f\/13.9 Focal Ratio for Detailed Views\u003c\/h3\u003e\n\u003cp\u003eWith a 90mm aperture, the MK90 gathers enough light to provide definitive views of the solar system's brightest objects. The long 1250mm focal length results in a slow f\/13.9 focal ratio, which is the key to its high-magnification capabilities. This optical combination makes it easy to achieve the high powers needed to see Jupiter's cloud belts, the Cassini Division in Saturn's rings, and the thousands of craters and rilles on the Moon.\u003c\/p\u003e\n\u003cp\u003eThe trade-off for this high-power planetary resolution is a narrower field of view compared to a short-focal-length refractor. While the MK90 excels at isolating individual targets, it is less suited for sweeping across the widest star fields of the Milky Way.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eInternal Focusing via the 1.25-inch Focuser\u003c\/h3\u003e\n\u003cp\u003eFocusing on the MK90 is achieved by turning a knob that moves the primary mirror internally along the main baffle tube. This mechanism allows for a fine degree of focus control, which is critical when observing at high magnification.\u003c\/p\u003e\n\u003cp\u003eThe rear of the telescope terminates in a standard 1.25-inch \u003ca href=\"\/en-int\/collections\/visual-adapters\"\u003evisual back\u003c\/a\u003e. This allows for the direct attachment of any standard 1.25-inch accessory, including \u003ca href=\"\/en-int\/collections\/diagonals\"\u003estar diagonals\u003c\/a\u003e, \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepieces\u003c\/a\u003e, and astronomy cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eConnecting Diagonals, Eyepieces, and Cameras to the MK90\u003c\/h3\u003e\n\u003cp\u003eThe MK90's standard 1.25-inch focuser provides broad compatibility with the most common accessory format in astronomy. To begin observing, you will need to add a 1.25-inch diagonal and at least one 1.25-inch eyepiece (both sold separately).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Astronomical Use:\u003c\/strong\u003e A 1.25-inch mirror or prism star diagonal is required to view at a comfortable 90-degree angle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Terrestrial Use:\u003c\/strong\u003e A 1.25-inch correct-image prism diagonal will provide an image that is both upright and non-reversed, which is essential for daytime nature viewing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor Imaging:\u003c\/strong\u003e Most 1.25-inch format \u003ca href=\"\/en-int\/collections\/planetary-cameras\"\u003eplanetary cameras\u003c\/a\u003e will slide directly into the focuser or diagonal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eVisual Observing: The Moon, Planets, and Double Stars at 1250mm\u003c\/h3\u003e\n\u003cp\u003eThe MK90's optical system is optimized for high-contrast, high-magnification targets. Its long 1250mm focal length provides a large image scale, allowing you to push the magnification on steady nights to resolve fine planetary and lunar features.\u003c\/p\u003e\n\u003cp\u003eWith appropriate eyepieces, you can expect to clearly resolve the primary cloud belts of Jupiter, the rings of Saturn, the phases of Venus, and the polar ice caps of Mars when it is near opposition. The long focal length also suits double stars like Albireo (Beta Cygni) or Castor (Alpha Geminorum).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eImaging with the MK90: High-Resolution Lunar and Planetary Photography\u003c\/h3\u003e\n\u003cp\u003eThe same characteristics that suit the MK90 to visual observation also make it a capable instrument for lunar and planetary imaging. The 1250mm focal length provides enough image scale to capture details on planets with modern, small-pixel planetary cameras.\u003c\/p\u003e\n\u003cp\u003eBy attaching a 1.25-inch CMOS or CCD camera, you can record high-frame-rate video of the Moon and planets. Using stacking software, these videos can be processed into a single, detailed image that reveals far more detail than is visible to the eye alone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThermal Cool-Down and Factory-Set Collimation\u003c\/h3\u003e\n\u003cp\u003eLike all telescopes, the MK90 performs best when its optics have reached thermal equilibrium with the outside air. Because it is a closed-tube design, it is recommended to let the telescope sit outside for a period before observing to allow it to cool down and for the image to stabilize.\u003c\/p\u003e\n\u003cp\u003eThe MK90 is precision-calibrated at the factory and the Maksutov design is known for holding its collimation very well, meaning periodic adjustments are not typically required. However, if adjustment is ever needed after rough handling, collimation screws are accessible on the rear cell of the optical tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting the MK90: 70mm Vixen Dovetail \u0026amp; ¼-20 Thread\u003c\/h3\u003e\n\u003cp\u003eThe MK90 has two ways to connect to a support: a UNC 1\/4-20 photographic thread and a 70mm, 75-degree Vixen standard dovetail plate.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVixen-Style Dovetail:\u003c\/strong\u003e A 70mm long Vixen-style dovetail plate is included, which is the standard for most modern lightweight to medium-duty astronomical mounts. This provides a secure connection for tracking celestial objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNC ¼-20 Thread:\u003c\/strong\u003e The standard ¼-20 photographic thread is the same size found on the bottom of most cameras. This allows you to attach the MK90 directly to a sturdy photographic or video tripod for terrestrial use or quick, grab-and-go astronomical viewing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eWhat's In The Box and What You Still Need to Get Started\u003c\/h3\u003e\n\u003cp\u003eThe SVBONY MK90 is sold as an Optical Tube Assembly (OTA), which includes the main telescope and mounting hardware. To use it for observation, you will need to supply a few key accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded in the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMK90 Maksutov-Cassegrain OTA\u003c\/li\u003e\n\u003cli\u003eVersatile Dovetail Mounting Base\u003c\/li\u003e\n\u003cli\u003e70mm Vixen Style Dovetail Plate\u003c\/li\u003e\n\u003cli\u003eObjective Lens Cover and 1.25-inch Dust Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRequired for Operation (Sold Separately):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAn astronomical mount or a sturdy photographic tripod.\u003c\/li\u003e\n\u003cli\u003eA 1.25-inch star diagonal (for astronomical use) or a correct-image diagonal (for terrestrial use).\u003c\/li\u003e\n\u003cli\u003eAt least one 1.25-inch eyepiece. A low-power eyepiece (e.g., 25mm) for finding objects and a high-power one (e.g., 10mm) for detailed views are recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eA Step-by-Step Guide to Setting Up Your MK90\u003c\/h3\u003e\n\u003cp\u003eSetting up the MK90 optical tube on your mount is a straightforward process. Before you begin, ensure your mount or tripod is on stable, level ground.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttach to Mount:\u003c\/strong\u003e Loosen the dovetail saddle lock on your mount. Slide the 70mm Vixen dovetail plate on the MK90 into the saddle and tighten the lock securely. If using a photo tripod, screw the tripod's ¼-20 bolt into the telescope's ¼-20 thread.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Diagonal:\u003c\/strong\u003e Remove the 1.25-inch dust plug from the back of the telescope. Insert the barrel of your 1.25-inch diagonal into the opening and secure it with the thumbscrews.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Eyepiece:\u003c\/strong\u003e Insert your chosen 1.25-inch eyepiece into the diagonal and lightly tighten its thumbscrews. It's best to start with your lowest power (longest focal length) eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Lens Cap \u0026amp; Focus:\u003c\/strong\u003e Remove the main objective lens cover. Point the telescope at a distant object and look through the eyepiece. Slowly turn the focus knob until the image is sharp. You are now ready to observe.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the Svbony MK90 telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony MK90 is very flexible. It comes with a 70mm Vixen-style dovetail plate that fits most modern astronomical mounts, from simple alt-azimuth mounts to computerized GoTo systems. It also has a standard UNC ¼-20 threaded hole, so you can mount it directly onto a heavy-duty photo or video tripod for daytime use or quick astronomical viewing sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Svbony MK90 a good choice for bird watching?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, its long 1250mm focal length makes it a high-power spotting scope for terrestrial viewing like bird watching. To use it during the day, you will need a \u003cstrong\u003e1.25-inch correct-image prism diagonal\u003c\/strong\u003e (sold separately). This accessory will turn the image upright and non-reversed, making it easy to track moving subjects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I see the rings of Saturn with the Svbony MK90?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 90mm aperture and f\/13.9 optics of the Svbony MK90 suit Saturn. On a night with steady air, you will be able to clearly resolve the rings as distinct from the planet itself and may even glimpse the Cassini Division, the largest gap in the rings, with a medium-to-high power eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Svbony MK90 suitable for deep-sky objects like the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony MK90 is optimized for small, bright targets, not large deep-sky objects. Due to its long 1250mm focal length and f\/13.9 ratio, its field of view is narrow. While it can show you the bright core of the Andromeda Galaxy (M31) or smaller objects like the Ring Nebula (M57), it cannot fit very large nebulae or star clusters into a single view. A telescope with a shorter focal length is better for wide-field deep-sky observing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Svbony MK90 need to be collimated often?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The Maksutov-Cassegrain design is known for being very robust and holding collimation well. The Svbony MK90 is precision-calibrated at the factory and should not require periodic collimation under normal use. The meniscus design skips routine calibration, and the tube has 3 pairs of calibration screws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat eyepieces should I start with for the Svbony MK90?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA good starting set for the Svbony MK90 would include two 1.25-inch Plössl eyepieces (sold separately):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA low-power eyepiece (around 25mm):\u003c\/strong\u003e This will provide about 50x magnification, useful for locating objects and viewing larger star clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA high-power eyepiece (around 10mm):\u003c\/strong\u003e This will yield 125x magnification, for detailed views of the Moon and planets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the image I see through the Svbony MK90 upside down?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWithout any accessories, the image would be upside down and reversed. Most observers use a \u003cstrong\u003e1.25-inch diagonal\u003c\/strong\u003e for a comfortable viewing angle. A standard star diagonal will correct the image to be upright but still reversed left-to-right. A correct-image diagonal will make the view fully correct, which is necessary for daytime terrestrial use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I focus the Svbony MK90 telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony MK90 uses an internal focusing mechanism. You turn the focus knob, which moves the optics inside the tube, until the image is sharp. Refocus when you change eyepieces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the Svbony MK90 for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Svbony MK90 is very well-suited for high-resolution imaging of the Moon and planets. Its long 1250mm focal length creates a large image scale for planetary cameras. It is not designed for long-exposure deep-sky astrophotography due to its slow f\/13.9 focal ratio, which would require very long exposure times.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the internal baffle in the Svbony MK90 improve my view?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe internal baffle is a cone-shaped tube inside the telescope that blocks stray, off-axis light from bouncing around and washing out the image. This results in a darker sky background and higher contrast. This is especially important for seeing faint details on bright planets or separating the subtle shades in lunar craters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e1.25-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e70mm Vixen-Style Dovetail \u0026amp; UNC ¼-20 Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1250 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/13.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements \/ glass\u003c\/td\u003e\n\u003ctd\u003e2 elements (meniscus corrector + primary mirror)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount included\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMK90 Maksutov-Cassegrain OTA\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVersatile Dovetail Mounting Base\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eVixen Style Dovetail Plate (70mm)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eObjective Lens Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e1.25-inch Dust Plug\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/svbony-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSvbony 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SVBONY","offers":[{"title":"Default Title","offer_id":52861224255773,"sku":"SV-F9382B","price":238.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/SVBONY-MK90-90mm-Maksutov-Cassegrain-Telescope-Lunar-Bird-Watching-1_d0a6a0b8-aa57-406f-8acf-de8e00347bfc.jpg?v=1788659429"},{"product_id":"explore-scientific-es-mc1271900-sagt-st10","title":"Explore Scientific Sidara Pro 127 Telescope System","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMaksutov-Cassegrain Optical Design\u003c\/li\u003e\n\u003cli\u003eFully Automated GoTo Mount\u003c\/li\u003e\n\u003cli\u003eSkyAssist Object Location and Tracking\u003c\/li\u003e\n\u003cli\u003eOptimized for High-Magnification Viewing\u003c\/li\u003e\n\u003cli\u003eCompact and Portable Form Factor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSidara Pro 127 Telescope System\u003c\/h2\u003e\n\u003cp\u003eThe Sidara Pro 127 pairs a high-magnification Maksutov-Cassegrain optical tube with a fully automated GoTo mount for detailed, high-contrast observation of the Moon and planets. The onboard SkyAssist technology automatically locates and tracks celestial targets, removing the challenge of manual searching and allowing you to focus purely on the view through the eyepiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMaksutov-Cassegrain Optics: High-Contrast Planetary and Lunar Views\u003c\/h3\u003e\n\u003cp\u003eThe heart of the Sidara Pro 127 is its Maksutov-Cassegrain optical design, which uses a combination of a meniscus corrector lens and mirrors to produce a long focal length in a physically compact tube. This design excels at delivering the high magnification needed to resolve fine details on planetary surfaces and in lunar craters. The enclosed optical path also protects the mirrors from dust and reduces internal air currents, resulting in sharper, higher-contrast images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSidara Pro GoTo Mount: Automated Tracking with SkyAssist\u003c\/h3\u003e\n\u003cp\u003eThis package includes the Sidara Pro GoTo mount, engineered to eliminate the challenge of manually finding and following celestial objects. The mount's automated system, run from the included hand controller or the SkyAssist smartphone app, can point the telescope to targets in its catalogue. Once an object is selected, the mount's motors engage to track it precisely as it moves across the sky, keeping it centered in the eyepiece for extended observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the Sidara Pro 127 perform on a target like Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sidara Pro 127's Maksutov-Cassegrain optics are ideal for Jupiter. The design's long focal length and high contrast are well-suited for resolving details like its main cloud bands, the Great Red Spot, and tracking the four Galilean moons. The GoTo mount will keep the planet centered for you, making observation effortless.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Sidara Pro 127 a good choice for viewing the Moon from a light-polluted city?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice. The Moon is bright enough to cut through city skyglow, and the Sidara Pro 127's high-magnification design is perfect for exploring lunar details. You will be able to clearly see mountain ranges, rilles, and the intricate ray systems of craters like Copernicus and Tycho, while the GoTo system handles all the tracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main advantage of the Sidara Pro 127's Maksutov-Cassegrain design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is achieving a very long focal length in a short, compact, and lightweight optical tube. This makes the Sidara Pro 127 easy to transport and set up, while still providing the high power needed for detailed planetary, lunar, and double star observation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the SkyAssist GoTo system on the Sidara Pro 127 do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SkyAssist system automates the process of finding and tracking celestial objects. After a simple alignment procedure, you can select an object from its database, and the Sidara Pro 127's mount will automatically move the telescope to point at it and then follow it across the sky, keeping it in your field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the Sidara Pro 127 suitable for wide-field views of nebulae like the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sidara Pro 127 is specialized for high-magnification, narrow-field views. While you can certainly observe the bright core of the Andromeda Galaxy, its optical design is not intended to capture the full expanse of very large deep-sky objects in a single field of view. It excels at smaller, brighter targets like globular clusters, planetary nebulae, and planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eI'm new to astronomy. Is the Sidara Pro 127 a good starter telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Sidara Pro 127 is a powerful system, and its GoTo functionality greatly simplifies the process of finding objects, which is often a major hurdle for beginners. It is an excellent choice if your primary interest is observing the Moon and planets in high detail with a guided system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e127 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length\u003c\/td\u003e\n\u003ctd\u003e1900 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal ratio\u003c\/td\u003e\n\u003ctd\u003ef\/14.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser type\u003c\/td\u003e\n\u003ctd\u003eRack and pinion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser \/ drawtube size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElements \/ glass\u003c\/td\u003e\n\u003ctd\u003eCorrector plate and two mirrors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount included\u003c\/td\u003e\n\u003ctd\u003eYes, Sidara Pro GoTo alt-az mount with hand controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e127mm Maksutov-Cassegrain\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSidara Pro GoTo alt-az mount with hand controller\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e10mm and 25mm eyepieces\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e90° Diagonal\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/explore-scientific-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eExplore Scientific Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":52909285835037,"sku":"ES-MC1271900-SAGT-ST10","price":1400.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/ExploreScientific-Sidara-Pro-127-1_fc1ee219-d781-40a7-89d3-6a737724fc60.jpg?v=1789061062"},{"product_id":"ioptron-6101","title":"iOptron MAK 150mm Telescope OTA","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e150mm Rumak-style Maksutov-Cassegrain Optics\u003c\/li\u003e\n\u003cli\u003e1800mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/12 Focal Ratio\u003c\/li\u003e\n\u003cli\u003e0.77 Arc Second Resolving Power\u003c\/li\u003e\n\u003cli\u003e13.4 lbs Tube Weight\u003c\/li\u003e\n\u003cli\u003eDual-Speed Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eMAK 150mm Telescope OTA\u003c\/h2\u003e\n\u003cp\u003eThe MAK 150mm optical tube delivers high-contrast, high-magnification views through its 150mm Rumak-style Maksutov-Cassegrain optical system. Its long 1800mm focal length produces an f\/12 focal ratio ideal for planetary and double-star observation, capable of reaching a theoretical resolving power of 0.77 arc seconds. With a dual-speed \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e for critical adjustments and a tube weight of just 13.4 lbs, this OTA provides serious planetary imaging capabilities in a compact package.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eRumak-Maksutov Optics: 1800mm Focal Length at f\/12\u003c\/h3\u003e\n\u003cp\u003eThis telescope's Rumak-Maksutov design uses a separate secondary mirror, distinct from the central aluminized spot on a standard Maksutov corrector. This provides an additional degree of freedom for optical correction, resulting in a flatter field of view and better-corrected images, especially critical for astrophotography. The native 1800mm focal length and f\/12 ratio are engineered for high power, allowing you to achieve the 300X maximum magnification with common \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepieces\u003c\/a\u003e to study fine details on Jupiter, Saturn, and Mars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003ePlanetary Detail at 0.77 Arc Second Resolution\u003c\/h3\u003e\n\u003cp\u003eWith a diffraction-limited resolving power of 0.77 arc seconds, the MAK 150mm has the optical potential to split tight double stars and reveal intricate planetary features under steady skies. This level of resolution makes it possible to discern the Cassini Division in Saturn's rings, resolve individual craterlets on the Moon, and track storm systems in Jupiter's cloud belts. The optical system can detect stars down to a visual limiting magnitude of 12.8, pulling in faint moons around gas giants and the central stars of planetary nebulae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eImaging-Ready with a Dual-Speed Focuser\u003c\/h3\u003e\n\u003cp\u003eAchieving perfect focus at 1800mm is critical, and the included dual-speed focuser provides the fine control necessary for sharp planetary imaging. The coarse focus knob gets you close, while the fine-adjustment knob allows for precise, minute changes without image shift. For convenience and protection, a twist-lock aluminum dew shield is integrated, extending the tube length to 27 1\/8 inches to block stray light and delay the formation of dew on the corrector plate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAdapts to 1.25\", 2\", and SCT Standards\u003c\/h3\u003e\n\u003cp\u003eThe MAK 150mm is equipped to handle a wide array of accessories right out of the box. It includes a 2-inch to 1.25-inch compression ring adapter for using standard eyepieces and an adapter ring that allows you to attach accessories designed for \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain telescopes\u003c\/a\u003e (SCTs). For astrophotography, a T-ring adapter is also included, providing a direct, secure connection for your DSLR or dedicated \u003ca href=\"\/en-int\/collections\/cameras\"\u003eastronomy camera\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMAK 150mm vs. a 6-inch SCT: Focal Ratio and Field Flatness\u003c\/h3\u003e\n\u003cp\u003eWhen choosing a 150mm-class catadioptric, the main alternative is often a 6-inch Schmidt-Cassegrain. The SCT offers a faster f\/10 focal ratio, better suited for a wider range of deep-sky objects. However, the MAK 150mm's advantages lie in planetary and lunar observing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal Ratio:\u003c\/strong\u003e The MAK's f\/12 focal ratio provides higher native magnification for any given eyepiece compared to an f\/10 SCT, often yielding sharper, higher-contrast planetary views without needing a \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lens\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Flatness:\u003c\/strong\u003e The Rumak optical design in this MAK provides a flatter, better-corrected field than a standard SCT, which suffers from field curvature. This results in sharper stars toward the edge of the frame, a key benefit for imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentral Obstruction:\u003c\/strong\u003e Maksutov-Cassegrains typically have a smaller central obstruction than SCTs, which translates directly to improved image contrast, making subtle planetary details easier to see.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is a Rumak-Maksutov and how does it benefit the MAK 150mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA \u003cstrong\u003eRumak-Maksutov\u003c\/strong\u003e is a specialized catadioptric design that uses a separate, curved secondary mirror instead of the simple aluminized spot found on the back of the corrector plate in a standard Gregory-Maksutov. This gives optical designers more control over correcting for aberrations, typically resulting in a flatter field of view and sharper stars away from the center of the image compared to other compact designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the MAK 150mm perform on Jupiter with its 1800mm focal length?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 1800mm focal length is ideal for observing Jupiter. With a moderate eyepiece (e.g., 9-12mm), you can easily reach magnifications of 150-200x, which is perfect for resolving Jupiter's main cloud belts, the Great Red Spot, and the Galilean moons. On a night of good seeing, the 0.77 arc second resolving power allows you to push magnification toward 300x to see finer details like smaller ovals and festoons within the cloud bands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the MAK 150mm a good telescope for deep-sky objects like the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the MAK 150mm excels at high-magnification targets, its long f\/12 focal ratio results in a narrow field of view, making it less ideal for very large deep-sky objects like the Andromeda Galaxy (M31) or the North American Nebula (NGC 7000). It is, however, excellent for smaller, brighter deep-sky targets such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobular Clusters:\u003c\/strong\u003e Resolving individual stars in the cores of clusters like the Hercules Cluster (M13).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary Nebulae:\u003c\/strong\u003e Observing details in objects like the Ring Nebula (M57) and the Dumbbell Nebula (M27).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright Galaxies:\u003c\/strong\u003e Viewing the core regions of galaxies like Bode's Galaxy (M81).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the 13.4 lb MAK 150mm OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a tube weight of \u003cstrong\u003e13.4 lbs\u003c\/strong\u003e, the MAK 150mm requires a sturdy equatorial or \u003ca href=\"\/en-int\/collections\/alt-azimuth-mounts\"\u003ealt-azimuth mount\u003c\/a\u003e. For visual use, a mount with a payload capacity of at least 20-25 lbs is recommended to ensure stability. For long-exposure astrophotography, a robust \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eGerman Equatorial Mount\u003c\/a\u003e in the 30-40 lb payload class (like an iOptron GEM28 or CEM26) would be a more appropriate choice to handle the telescope and additional imaging gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use my existing 2-inch Schmidt-Cassegrain accessories with the MAK 150mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The MAK 150mm includes an \u003cstrong\u003eAdapter Ring for Schmidt-Cassegrain Accessories\u003c\/strong\u003e. This allows you to attach devices that use the standard SCT thread, such as \u003ca href=\"\/en-int\/collections\/flatteners-and-reducers\"\u003efocal reducers\u003c\/a\u003e, \u003ca href=\"\/en-int\/collections\/autoguiding\"\u003eoff-axis guiders\u003c\/a\u003e, and specific \u003ca href=\"\/en-int\/collections\/visual-adapters\"\u003evisual backs\u003c\/a\u003e, making it highly compatible with the most popular accessory ecosystem on the market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is a dual-speed focuser important on an f\/12 telescope like the MAK 150mm?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eTelescopes with long focal ratios like f\/12 have a very narrow \"critical focus zone,\" meaning even a tiny error in focusing can soften the image. A \u003cstrong\u003edual-speed focuser\u003c\/strong\u003e provides a fine-adjustment knob (typically 10:1 ratio) that moves the focuser much more slowly than the coarse knob. This precision is essential for achieving the sharpest possible focus when doing high-magnification visual observation or planetary imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eCatadioptric Rumak style Maksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClear Aperture\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e1800mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolving Power\u003c\/td\u003e\n\u003ctd\u003e0.77 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisual Limiting Magnitude\u003c\/td\u003e\n\u003ctd\u003e12.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest Magnification\u003c\/td\u003e\n\u003ctd\u003e300X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eDual speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Scope\u003c\/td\u003e\n\u003ctd\u003e8x50 with finder ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDew Shield\u003c\/td\u003e\n\u003ctd\u003eTwist-lock aluminum shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapters\u003c\/td\u003e\n\u003ctd\u003e2” to 1.25” compression ring adapter, T-ring adapter, Adapter Ring for Schmidt-Cass Accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e21.75” (Without dew shield) | 27.125” (With dew shield)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Weight\u003c\/td\u003e\n\u003ctd\u003e13.4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e22 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e32 x 14 x 12 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Included\u003c\/td\u003e\n\u003ctd\u003eVixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Connection\u003c\/td\u003e\n\u003ctd\u003e2\" compression ring holder (1.25\" adapter, SCT adapter ring and T-adapter included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eMAK 150mm Optical Tube Assembly\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e8x50 Finder Scope with Mounting Rings\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eTwist-Lock Aluminum Dew Shield\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2\" to 1.25\" Compression Ring Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAdapter Ring for Schmidt-Cassegrain Accessories\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eT-Ring Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDust Cover\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_MAK150_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 1-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917293220125,"sku":"IOP-6101","price":1049.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-MAK-150mm-1_8947f705-e7a8-46f4-9e3f-3b65b6fe39b6.jpg?v=1789142076"},{"product_id":"orion-optics-uk-omc-140-de-luxe-optical-tube-assembly","title":"Orion Optics UK OMC140 De-Luxe Tube Assembly","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e140mm (5.5\") Maksutov-Cassegrain Optics\u003c\/li\u003e\n\u003cli\u003e2000mm Focal Length at f\/14\u003c\/li\u003e\n\u003cli\u003eGuaranteed 1\/6 PV Wavefront Hand-Figured Optics\u003c\/li\u003e\n\u003cli\u003eLightweight 3.5kg Carbon Fibre Tube\u003c\/li\u003e\n\u003cli\u003eZero Image Shift Micrometer Focuser\u003c\/li\u003e\n\u003cli\u003eHilux High-Reflectivity Mirror Coatings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eOrion Optics UK OMC140 De-Luxe Tube Assembly\u003c\/h2\u003e\n\u003cp\u003eThe Orion Optics UK OMC140 De-Luxe delivers high-magnification views from a remarkably compact package, combining a 140mm aperture with a powerful 2000mm focal length. This f\/14 \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e is built around a hand-figured optical system guaranteed to a 1\/6 PV wavefront accuracy, housed in a thermally stable carbon fibre tube that weighs only 3.5kg. With its zero image shift micrometer \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e and high-reflectivity Hilux coatings, the OMC140 is engineered for uncompromising planetary, lunar, and double-star observation and imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eProfessional-Grade 1\/6 PV Optics: The Orion Optics UK Standard\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the OMC140 is an optical system manufactured to a standard far exceeding mass-produced telescopes. Each mirror set is hand-figured and tested in the UK to achieve a 1\/6 PV (peak-to-valley) wavefront error, ensuring images are limited only by atmospheric seeing, not the telescope. This level of optical precision, combined with Hilux coatings, produces exceptionally high-contrast views, resolving fine details like the Cassini Division in Saturn's rings and subtle banding on Jupiter's disk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCompact f\/14 Design in a 3.5kg Carbon Fibre Tube\u003c\/h3\u003e\n\u003cp\u003eThe OMC140 packs its 2000mm focal length into a tube just 450mm long and weighing a mere 3.5kg. This impressive portability is made possible by the Maksutov-Cassegrain design and a lightweight carbon fibre tube, which also provides superior thermal stability compared to aluminum, minimizing focus shift during temperature changes. The result is an ideal \"grab-and-go\" instrument for high-resolution work that performs exceptionally well on light-to-medium duty \u003ca href=\"\/en-int\/collections\/equatorial-mounts\"\u003eequatorial mounts\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eHigh-Magnification Specialist: A 2000mm Focal Length for Planetary Imaging\u003c\/h3\u003e\n\u003cp\u003eWith its f\/14 focal ratio, the OMC140 is a specialized instrument designed to excel at high magnification. The long 2000mm focal length provides the image scale necessary to capture fine planetary detail with modern CMOS cameras without requiring aggressive \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e. The \"Zero image shift micrometer\" focuser is critical for this application, moving the secondary mirror to achieve focus without the lateral image movement (mirror flop) that plagues many competing Cassegrain designs. This stability ensures your target remains perfectly centered while making precise focus adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eOMC140 vs. Schmidt-Cassegrains: The Maksutov Advantage\u003c\/h3\u003e\n\u003cp\u003eWhile similar in function to a \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrain\u003c\/a\u003e (SCT), the OMC140's Maksutov-Cassegrain design offers distinct advantages for the discerning observer.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocusing Stability:\u003c\/strong\u003e The OMC140's micrometer-based secondary focusing system eliminates the image shift inherent in the moving-primary-mirror focusers of most SCTs. This is a decisive advantage for high-magnification imaging and visual work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Quality Guarantee:\u003c\/strong\u003e The 1\/6 PV wavefront accuracy is a certified specification, not a typical marketing claim. This ensures a higher level of performance out of the box compared to the lottery of mass-produced optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmaller Obstruction:\u003c\/strong\u003e The 44mm secondary mirror creates a central obstruction of 31% by diameter, which is modest for this design and contributes to higher image contrast compared to some SCTs with larger obstructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat makes the OMC140 De-Luxe's 1\/6 PV optics special?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e1\/6 PV wavefront\u003c\/strong\u003e specification is a guarantee of optical precision. It means the shape of the mirror surface deviates from a perfect parabola by no more than 1\/6th the wavelength of light. This is significantly better than the \"diffraction-limited\" standard (1\/4 PV) of many mass-produced telescopes and results in visibly sharper, higher-contrast images, especially on challenging targets like planets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the f\/14 OMC140 suitable for deep-sky objects like the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe OMC140's long 2000mm focal length and f\/14 ratio create a very narrow field of view, making it unsuitable for framing large objects like the Andromeda Galaxy (M31) or the Pleiades (M45). It excels at smaller deep-sky targets that benefit from high magnification, such as planetary nebulae like the Ring Nebula (M57), globular clusters like M13, and details within brighter galaxies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount do I need for the 3.5kg OMC140?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith a tube weight of only \u003cstrong\u003e3.5kg\u003c\/strong\u003e, the OMC140 is very lightweight and places minimal demand on a mount. For visual use, a mount like a Sky-Watcher AZ-GTi or a Celestron Advanced VX would be more than sufficient. For long-exposure astrophotography, a mount in the \u003ca href=\"\/en-int\/products\/sky-watcher-heq5-mount\"\u003eHEQ5\u003c\/a\u003e or CEM26 class would provide excellent stability and tracking accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the \"Zero image shift micrometer\" focusing on the OMC140 work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis system adjusts focus by moving the secondary mirror with a high-precision micrometer mechanism, rather than moving the entire primary mirror as in most SCTs. This design prevents the lateral \"image shift\" or \"mirror flop\" that can move a target off a small sensor chip during critical focusing, making it a superior solution for high-magnification planetary imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2-inch eyepieces with the OMC140?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the OMC140 is designed with a \u003cstrong\u003e31.7mm (1.25-inch) optical back\u003c\/strong\u003e. It is optimized for use with 1.25-inch eyepieces and accessories. This is a deliberate design choice to maintain the compact form factor and is well-suited to the high-magnification planetary and double-star work the telescope is intended for.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the OMC140 perform on Jupiter with its 2000mm focal length?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e2000mm focal length\u003c\/strong\u003e gives the OMC140 the native image scale needed to resolve fine details on Jupiter. Combined with the 1\/6 PV optics, you can expect to clearly see features like the Great Red Spot, intricate cloud bands, festoons, and the shadows of the Galilean moons transiting the planet's disk, provided the atmospheric seeing is good.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e140mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptics Grade\u003c\/td\u003e\n\u003ctd\u003e1\/6 PV Wavefront (De-Luxe Model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e150mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e44mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocusing Method\u003c\/td\u003e\n\u003ctd\u003eZero image shift micrometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eHilux on both mirrors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Material\u003c\/td\u003e\n\u003ctd\u003eCarbon Fibre (De-Luxe Model)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e450mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Weight\u003c\/td\u003e\n\u003ctd\u003e3.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Back\u003c\/td\u003e\n\u003ctd\u003e31.7mm (1.25\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Fixing\u003c\/td\u003e\n\u003ctd\u003eStandard Vixen-style Dovetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eOMC140 De-Luxe Optical Tube Assembly (This product includes the optical tube assembly only. Finders, diagonals, and eyepieces are sold separately.)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/orion-optics-uk-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOrion Optics UK 1-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Orion Optics UK","offers":[{"title":"Default Title","offer_id":52942378991901,"sku":"OOUK-OMC-140-DE-LUXE-OPTICAL","price":1862.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Orion-Optics-UK-Logo_89eab899-625d-4154-a02c-1eddd17ef7b0.jpg?v=1789607148"},{"product_id":"orion-optics-uk-omc-185-de-luxe-optical-tube-assembly","title":"Orion Optics UK OMC 185 De-Luxe Optical tube assembly","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMaksutov-Cassegrain optical design\u003c\/li\u003e\n\u003cli\u003eSized between the OMC140 and OMC200\u003c\/li\u003e\n\u003cli\u003eBuilt to order in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eOMC185 Maksutov-Cassegrain OTA\u003c\/h2\u003e\n\u003cp\u003eThe OMC185 is a \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e optical tube assembly in Orion Optics UK's OMC series, sized between the OMC140 and OMC200.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe Mid-Size OMC\u003c\/h3\u003e\n\u003cp\u003eIndividually built to order in the UK; contact Orion Optics UK for full OMC185 specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003eOMC Maksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eOMC185 De-Luxe Optical Tube Assembly\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/orion-optics-uk-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOrion Optics UK 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Orion Optics UK","offers":[{"title":"Default Title","offer_id":52942379090205,"sku":"OOUK-OMC-185-DE-LUXE-OPTICAL","price":3635.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Orion-Optics-UK-Logo_459d4731-8a6c-492b-8ad1-fa9f3d905cb5.jpg?v=1789607156"},{"product_id":"orion-optics-uk-omc200-de-luxe-optical-tube-assembly-carbon-tube-1-8pv","title":"Orion Optics UK OMC200 De-Luxe Tube Assembly – Carbon Tube 1\/8PV","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e200mm (8\") Maksutov-Cassegrain Optics\u003c\/li\u003e\n\u003cli\u003e4000mm Focal Length\u003c\/li\u003e\n\u003cli\u003ef\/20 Focal Ratio\u003c\/li\u003e\n\u003cli\u003eGuaranteed 1\/8 PV Wavefront Accuracy\u003c\/li\u003e\n\u003cli\u003eVented Carbon Fibre Tube Construction\u003c\/li\u003e\n\u003cli\u003e100% Zero Image Shift Micrometer Focuser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eOrion Optics UK OMC200 De-Luxe Tube Assembly – Carbon Tube 1\/8PV\u003c\/h2\u003e\n\u003cp\u003eThe Orion Optics UK OMC200 De-Luxe delivers uncompromising planetary, lunar, and double-star views through its 200mm aperture and long 4000mm focal length. This f\/20 \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e is built around hand-figured optics guaranteed to a research-grade 1\/8 PV wavefront accuracy, ensuring maximum contrast and sharpness. Housed in a 600mm vented carbon fibre tube, the entire assembly weighs only 9kg, placing high-resolution capability within reach of many modern mounts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 1\/8 PV Maksutov-Cassegrain System\u003c\/h3\u003e\n\u003cp\u003eAt the core of the OMC200 is a 200mm optical system hand-finished in the UK to a demanding 1\/8 PV wavefront standard. This level of precision, typically reserved for research instruments, means the optics deliver textbook-perfect star images and capture the finest, lowest-contrast details on planetary surfaces. The Maksutov-Cassegrain design features a small 44mm secondary mirror, minimizing central obstruction to further enhance contrast, while Hilux coatings on both mirrors maximize light transmission.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCarbon Fiber Tube and Zero-Shift Focusing at 4000mm\u003c\/h3\u003e\n\u003cp\u003eMaintaining precise focus at a 4000mm focal length is critical, and the OMC200's mechanical design is built for stability. The carbon fibre tube has a near-zero coefficient of thermal expansion, preventing focus shift during temperature changes, while integrated vents allow for faster thermal acclimation. Unlike typical \u003ca href=\"\/en-int\/collections\/schmidt-cassegrain-telescopes\"\u003eSchmidt-Cassegrains\u003c\/a\u003e, focusing is achieved with a 100% zero image shift micrometer, which moves the secondary mirror with extreme precision and completely eliminates the image movement that can plague primary mirror focusing systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eAn f\/20 Instrument for High-Resolution Targets\u003c\/h3\u003e\n\u003cp\u003eThe f\/20 focal ratio is a deliberate design choice that makes the OMC200 a specialist's tool for high-magnification observing and imaging. This long focal ratio provides high power with comfortable, long eye-relief \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepieces\u003c\/a\u003e and eliminates the need for \u003ca href=\"\/en-int\/collections\/barlows-and-extenders\"\u003eBarlow lenses\u003c\/a\u003e, which can introduce optical aberrations. This makes it an ideal instrument for resolving tight double stars, intricate lunar rilles, and subtle cloud features on Jupiter and Saturn right at the native focal plane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e1\/8 PV vs. Standard Optics: A Difference You Can See\u003c\/h3\u003e\n\u003cp\u003eOrion Optics UK offers multiple grades of optical quality, and the 1\/8 PV \"Research Grade\" of the OMC200 De-Luxe represents a significant step up from standard 1\/4 PV optics. This isn't just a number; it translates to visibly higher contrast and image sharpness at the eyepiece.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Contrast:\u003c\/strong\u003e The smoother, more accurate mirror surface of 1\/8 PV optics scatters less light, rendering the blackness of space darker and faint planetary details more distinct.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharper Details:\u003c\/strong\u003e During moments of steady atmospheric seeing, the superior wavefront correction allows the telescope to resolve finer details, such as the Cassini Division in Saturn's rings or delicate festoons in Jupiter's cloud belts, with greater clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImage Stability:\u003c\/strong\u003e A more accurate wavefront is less susceptible to degradation from atmospheric turbulence, meaning you get more moments of perfect, stable viewing during an observing session.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy is the Orion Optics UK OMC200 De-Luxe f\/20?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe f\/20 focal ratio is optimized for high-magnification planetary, lunar, and double-star observation. It provides a large image scale without the need for additional amplifiers like Barlow lenses, which simplifies the optical train and maximizes contrast and sharpness on fine details. This makes the OMC200 a specialized instrument, trading wide-field capability for exceptional high-power views.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the 1\/8 PV wavefront of the OMC200 mean for views of Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA 1\/8 PV wavefront error is significantly better than the \"diffraction-limited\" standard of 1\/4 PV. For an object like Jupiter, this translates to:\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Contrast:\u003c\/strong\u003e The boundaries between cloud belts and zones will be sharper and more defined.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiner Detail:\u003c\/strong\u003e You will be able to more easily resolve small, low-contrast features like barges, ovals, and festoons within the cloud belts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter Color Fidelity:\u003c\/strong\u003e With less scattered light, the subtle color variations across the planet's disk are more apparent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the OMC200 De-Luxe focuser prevent image shift?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe OMC200 uses a \u003cstrong\u003emicrometer-style focuser\u003c\/strong\u003e that moves the secondary mirror, not the primary mirror. In many catadioptric telescopes, focusing is done by shifting the large primary mirror, which can cause it to tilt slightly, leading to \"image shift.\" By moving the much smaller, lighter secondary mirror, the OMC200's mechanism provides precise, stable focus with zero lateral image movement, which is critical for high-magnification imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the carbon fibre tube on the OMC200 De-Luxe a significant advantage?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Carbon fibre has a very low coefficient of thermal expansion, meaning it doesn't shrink or expand significantly as the ambient temperature changes throughout the night. At a long focal length of 4000mm, even a tiny change in tube length can shift the focal point. The carbon fibre tube ensures the focus you set at the beginning of the night remains sharp for hours, a crucial feature for long imaging sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the OMC200 De-Luxe for deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile possible, it is not its primary design function. The very long f\/20 focal ratio results in a narrow field of view and requires much longer exposure times for faint deep-sky objects compared to faster instruments. The OMC200 excels at imaging smaller targets like planetary nebulae and globular clusters, but it is not well-suited for large nebulae or galaxies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of mount is required for the 9kg OMC200 De-Luxe OTA?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the tube itself weighs only 9kg, the 4000mm focal length acts like a massive lever, magnifying any vibrations from wind or mount drives. For visual use, a mount rated for at least a 15-20kg payload (e.g., \u003ca href=\"\/en-int\/products\/sky-watcher-eq6-r-pro\"\u003eEQ6-R Pro\u003c\/a\u003e class) is recommended for stability. For astrophotography, a higher capacity mount is essential to ensure sharp, untrailed images.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e4000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavefront Accuracy\u003c\/td\u003e\n\u003ctd\u003e1\/8 PV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e210mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e44mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eHilux on both mirrors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocusing Method\u003c\/td\u003e\n\u003ctd\u003e100% zero image shift micrometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Material\u003c\/td\u003e\n\u003ctd\u003eCarbon Fibre with vents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003e600mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Weight\u003c\/td\u003e\n\u003ctd\u003e9kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Back\u003c\/td\u003e\n\u003ctd\u003e31.7mm (1.25\"), 2\" available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Fixing\u003c\/td\u003e\n\u003ctd\u003eDovetail of your choice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eNo (optical tube only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/orion-optics-uk-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOrion Optics UK 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Orion Optics UK","offers":[{"title":"Default Title","offer_id":52942379188509,"sku":"OOUK-OMC200-DE-LUXE-OPTICAL-TUBE","price":13925.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Orion-Optics-UK-Logo_524ea082-3ca2-4b17-980a-a9c9b00d01df.jpg?v=1789607164"},{"product_id":"sky-watcher-skymax-200dx-maksutov-cassegrain-telescope","title":"Sky-Watcher Skymax 200DX Maksutov-Cassegrain Telescope","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e200mm (8-inch) Maksutov-Cassegrain Optical Tube\u003c\/li\u003e\n\u003cli\u003e2000mm Focal Length at f\/10\u003c\/li\u003e\n\u003cli\u003e44mm Image Height\u003c\/li\u003e\n\u003cli\u003eZero Shift Belt-Drive Focuser with Focus Distance Indicator\u003c\/li\u003e\n\u003cli\u003eBuilt-In 12V Active Cooling Fan with Battery Pack\u003c\/li\u003e\n\u003cli\u003eD-Style Dovetail Plate (75mm) and Two Finder Shoes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eSky-Watcher Skymax 200DX Maksutov-Cassegrain Telescope\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky-Watcher Skymax 200DX\u003c\/strong\u003e is a 200mm \u003ca href=\"\/en-int\/collections\/maksutov-cassegrain-telescopes\"\u003eMaksutov-Cassegrain\u003c\/a\u003e with a 2000mm focal length (f\/10). It has a 44mm image height, a Zero Shift belt-drive \u003ca href=\"\/en-int\/collections\/focusers\"\u003efocuser\u003c\/a\u003e with a focus distance indicator, a built-in 12V cooling fan, two \u003ca href=\"\/en-int\/collections\/finder-scopes\"\u003efinder\u003c\/a\u003e shoes and a 75mm D-style dovetail plate. The tube weighs 12 kg (26.46 lb).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003e200mm f\/10 Maksutov Optics\u003c\/h3\u003e\n\u003cp\u003eIt has a 200mm aperture, a 2000mm focal length (f\/10), a 70mm secondary mirror and a fully multi-coated (MHTC) corrector. The 665mm tube is 235mm in diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMagnification\u003c\/h3\u003e\n\u003cp\u003eMagnification is the telescope's focal length divided by the \u003ca href=\"\/en-int\/collections\/eyepieces\"\u003eeyepiece\u003c\/a\u003e's: a 20mm eyepiece gives 100x at 2000mm.\u003c\/p\u003e\n\u003cp\u003eSky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions, because higher power also magnifies the air turbulence between the telescope and the subject.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eFocuser and Visual Back\u003c\/h3\u003e\n\u003cp\u003eIt has a Zero Shift belt-drive focuser with a focus distance indicator reading from 38m to infinity.\u003c\/p\u003e\n\u003cp\u003eA 2\" visual back and a camera extender adapter come with the tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eMounting\u003c\/h3\u003e\n\u003cp\u003eThe tube weighs 12 kg (26.46 lb) and is 665mm long. It attaches with a 75mm D-style dovetail plate, so use a mount with a D-style (Losmandy-type) \u003ca href=\"\/en-int\/collections\/saddles-and-clamps\"\u003esaddle\u003c\/a\u003e and a payload rating that covers the tube and accessories.\u003c\/p\u003e\n\u003cp\u003eTwo finder shoes are fitted for a finder and other accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eImage Height and Optional Reducer\u003c\/h3\u003e\n\u003cp\u003eThe image height is 44mm at f\/10.\u003c\/p\u003e\n\u003cp\u003eThe optional \u003ca href=\"\/en-int\/products\/sky-watcher-skymax-200dx-0-7x-reducer\"\u003eSkymax 200DX 0.7x Reducer\u003c\/a\u003e (S20224) gives a 1400mm focal length at f\/7, with a 43mm image circle and 55mm back focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eCooling Fan\u003c\/h3\u003e\n\u003cp\u003eA built-in 12V fan with cooling vents is fitted, and a cooling fan battery pack is included. Sky-Watcher's general Maksutov manual notes the image usually needs fine refocusing over time as the telescope adjusts to temperature changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSolar Safety\u003c\/h3\u003e\n\u003cp\u003eNever look directly at the Sun through the telescope: permanent eye damage will result. Use a proper \u003ca href=\"\/en-int\/collections\/solar-filters\"\u003esolar filter\u003c\/a\u003e firmly mounted on the front of the telescope, and cap or remove the finder when observing the Sun.\u003c\/p\u003e\n\u003cp\u003eNever use an eyepiece-type solar filter, and never use the telescope to project sunlight onto another surface: the internal heat build-up will damage the optical elements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat mount does it need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe tube weighs 12 kg (26.46 lb) and comes with a 75mm D-style dovetail plate, so use a mount with a D-style saddle and a payload rating that covers the tube, camera and accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat image height does it cover?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe image height is 44mm at f\/10; with the optional 0.7x reducer, the image circle is 43mm at 1400mm f\/7.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat magnification can I use?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eDivide the focal length by the eyepiece's: a 20mm eyepiece gives 100x at 2000mm. Sky-Watcher's rule of thumb is about 2x per mm of aperture under good conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes it have a cooling fan?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A built-in 12V fan with cooling vents is fitted, and a cooling fan battery pack is included. The image usually needs fine refocusing as the telescope adjusts to temperature changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat size is the visual back?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt has a 2\" visual back, included with the tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat back focus does the optional reducer need?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e55mm, for the Skymax 200DX 0.7x Reducer (S20224).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does it focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt has a Zero Shift belt-drive focuser with a focus distance indicator reading from 38m to infinity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the Skymax 200DX come with a finder or eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The box holds the tube, a 2\" visual back, a camera extender adapter, the D-style dovetail plate and a cooling fan battery pack. Two finder shoes are fitted for a finder of your choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow large is the Skymax 200DX optical tube?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt is 665mm long and 235mm in diameter, weighing 12 kg (26.46 lb).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I view the Sun with it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOnly with a proper solar filter firmly mounted on the front of the telescope. Never look directly at the Sun through the telescope, cap or remove the finder, never use an eyepiece-type solar filter, and never project sunlight with it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e810098970891\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eMaksutov-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Length\u003c\/td\u003e\n\u003ctd\u003e2000mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Height\u003c\/td\u003e\n\u003ctd\u003e44mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Mirror Diameter\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Material\u003c\/td\u003e\n\u003ctd\u003eBorosilicate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMirror Coatings\u003c\/td\u003e\n\u003ctd\u003eRadiant Aluminum Quartz (RAQ), 94% reflectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrector Coatings\u003c\/td\u003e\n\u003ctd\u003eFully multi-coated (MHTC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Name\u003c\/td\u003e\n\u003ctd\u003eSkymax 200DX 0.7x Reducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eS20224\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction\u003c\/td\u003e\n\u003ctd\u003e0.7x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduced Focal Length\u003c\/td\u003e\n\u003ctd\u003e1400mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduced Focal Ratio\u003c\/td\u003e\n\u003ctd\u003ef\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage Circle\u003c\/td\u003e\n\u003ctd\u003e43mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack Focus\u003c\/td\u003e\n\u003ctd\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003eZero Shift belt-drive with focus distance indicator (38m to infinity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisual Back\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 12V fan with cooling vents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinder Shoes\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eD-style dovetail plate (75mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Length\u003c\/td\u003e\n\u003ctd\u003e665mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Diameter\u003c\/td\u003e\n\u003ctd\u003e235mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTA Weight\u003c\/td\u003e\n\u003ctd\u003e12 kg (26.46 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eSkymax 200DX Optical Tube Assembly\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003e2-inch Visual Back\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCamera Extender Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eD-Style Dovetail Plate\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eCooling Fan Battery Pack\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/sky-watcher-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eSky-Watcher 2-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":67666298241309,"sku":"SW-S11560","price":3050.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/S11560_SkyMax200DX_OTA_LeftFront.jpg?v=1790967023"}],"url":"https:\/\/davidastro.com\/en-int\/collections\/maksutov-cassegrain-telescopes.oembed?page=2","provider":"David Astro","version":"1.0","type":"link"}