{"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\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\u003c\/h2\u003e\n\u003cp\u003eThe Svbony MK90 puts a 90mm Maksutov-Cassegrain optical system into a highly portable package for detailed lunar, planetary, and terrestrial viewing. It connects to standard astronomical mounts using the included 70mm Vixen-style dovetail plate and is compatible with all 1.25-inch eyepieces and 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\u003eThe 90mm Maksutov-Cassegrain Optical System\u003c\/h3\u003e\n\u003cp\u003eThe MK90's two-element Maksutov-Cassegrain optics deliver the sharp, high-contrast images this design is known for. The 90mm aperture gathers enough light for definitive views of the Moon's craters, Jupiter's cloud belts, and the rings of Saturn. This long focal length design excels at high magnification, making it an ideal instrument for planetary observers who need crisp detail.\u003c\/p\u003e\n\u003cp\u003eWhile perfect for celestial targets, the Maksutov design also produces a correctly oriented image (with an optional diagonal), making the MK90 a powerful spotting scope for daytime bird watching and nature observation. The trade-off for its high-power planetary resolution is a narrower field of view compared to a short-tube refractor, making it less suited for sweeping across the widest sections 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\u003eAdvanced Internal Baffling for High-Contrast Views\u003c\/h3\u003e\n\u003cp\u003eSvbony has engineered the MK90 with a tapered internal baffle tube specifically designed to intercept and absorb stray light. This feature is critical for maintaining image contrast, especially when observing bright objects like the Moon or planets against the blackness of space. By preventing off-axis light from reaching the focal plane, the background sky remains darker and subtle surface details are more easily visible.\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 Versatile 70mm Vixen Dovetail \u0026amp; Tripod Mount\u003c\/h3\u003e\n\u003cp\u003eThe MK90 optical tube is built for versatility in the field. It includes a 70mm Vixen-style dovetail plate, the de-facto standard for most modern astronomical alt-azimuth and equatorial mounts. For more casual or terrestrial use, the mounting base also includes a standard UNC ¼-20 threaded hole, allowing you to attach the telescope directly to a sturdy photographic tripod without any additional hardware.\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 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 \u003cstrong\u003e70mm Vixen-style dovetail plate\u003c\/strong\u003e that fits most modern astronomical mounts, like the Celestron AVX or Sky-Watcher EQ6-R. It also has a standard \u003cstrong\u003e¼-20 threaded hole\u003c\/strong\u003e, 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 good for bird watching?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, it's an excellent choice for terrestrial viewing like bird watching. The Maksutov-Cassegrain design provides high magnification and sharp images. When used with a 1.25-inch correct-image prism diagonal (sold separately), the view will be upright and correctly oriented left-to-right, 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\"\u003eHow does the internal baffle in the Svbony MK90 improve views?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe internal baffle is a tube inside the telescope that blocks stray light from bouncing around and washing out the image. This results in a \u003cstrong\u003edarker sky background and higher contrast\u003c\/strong\u003e, which is especially important for seeing faint details on planets or separating the subtle shades in lunar craters.\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\u003eAbsolutely. The 90mm aperture and long focal length of the Svbony MK90 are ideal for 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.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow will the Svbony MK90 perform for observing the Moon from a light-polluted city?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Moon is bright enough to be unaffected by light pollution, and the Svbony MK90 is an excellent instrument for lunar observation from any location. Its high-resolution optics will allow you to explore mountain ranges, craters, and rilles in sharp detail, even from a city balcony.\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:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA low-power eyepiece (around 25mm-32mm)\u003c\/strong\u003e for finding objects and wide views.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA high-power eyepiece (around 9mm-12mm)\u003c\/strong\u003e for detailed views of the Moon and planets.\u003c\/li\u003e\n\u003c\/ul\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\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\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","url":"https:\/\/davidastro.com\/fr\/products\/svbony-mk90-90mm-maksutov-cassegrain-telescope-ota","provider":"David Astro","version":"1.0","type":"link"}