{"title":"iOptron Equatorial Mounts","description":"\u003cp\u003eiOptron equatorial mounts track the sky around a polar axis aligned with the celestial pole, the standard choice for long-exposure astrophotography. The range covers the center-balanced CEM26, CEM40, CEM70 and CEM120, the German equatorial GEM28 and GEM45, and the strain wave HEM27 and HEM44.\u003c\/p\u003e\u003cp\u003eThe HAE16C, HAE18C, HAE29, HAE43 and HAE69 dual AZ\/EQ mounts also work in equatorial mode, and the SkyHunter EQ\/AZ suits light travel setups.\u003c\/p\u003e","products":[{"product_id":"ioptron-cem120-mount","title":"iOptron CEM120 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003ePayload Capacity: 115 lbs (52 kg)\u003c\/li\u003e\n\u003cli\u003eMount Head Weight: 57 lbs (26 kg)\u003c\/li\u003e\n\u003cli\u003ePayload to Weight Ratio: 2:1\u003c\/li\u003e\n\u003cli\u003eDrive System: Precision Stepper Motor\u003c\/li\u003e\n\u003cli\u003eTracking Resolution: 0.07 arc seconds\u003c\/li\u003e\n\u003cli\u003eIntegrated WiFi, LAN, and GPS\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\u003eiOptron CEM120 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron CEM120 Mount leverages its innovative Center-balanced Equatorial design to carry a massive 52 kg (115 lbs) payload on a mount head weighing just 26 kg (57 lbs), achieving an exceptional 2:1 payload-to-weight ratio. Its precision stepper motor drive provides a tracking resolution of 0.07 arc seconds, while the large Φ216mm, 360-tooth worm wheels in both axes ensure smooth, accurate slewing at up to 4° per second. With integrated GPS, WiFi, LAN, and a comprehensive cable management system featuring multiple DC power and USB 3.0 ports, the CEM120 is built from the ground up for remote observatory operation.\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\u003eCEM Design: A 115 lb Payload on a 57 lb Mount\u003c\/h3\u003e\n\u003cp\u003eThe core of the CEM120's capability is its Center-Balanced Equatorial Mount architecture. By positioning the payload's center of gravity directly over the pier's central axis, the design delivers exceptional stability and allows for a significantly higher payload capacity relative to its own weight. This makes the 26 kg (57 lbs) all-metal mount head capable of securely handling large optical tubes up to 52 kg (115 lbs), making it an ideal platform for observatory-class instruments.\u003c\/p\u003e\n\u003cp\u003eThe mount features robust, easy-to-use gear clutches and precision altitude and azimuth adjustment systems for accurate polar alignment across a wide 0° to 68° latitude range. A standard Losmandy D-style saddle provides a secure, non-slip connection for your telescope's dovetail bar, ensuring rigidity throughout your imaging 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\u003ePrecision Drive System: 0.07 Arcsecond Resolution and PPEC\u003c\/h3\u003e\n\u003cp\u003eThe CEM120's drive train is engineered for uncompromising astrophotography. Massive Φ216mm, 360-tooth zero-backlash worm wheels are paired with a precision stepper motor drive system with 128 micro-steps, resulting in a tracking resolution of just 0.07 arc seconds. This fine control allows the mount to execute precise GoTo slews and track celestial objects with the accuracy needed for long-exposure imaging.\u003c\/p\u003e\n\u003cp\u003eEvery CEM120 model includes Permanent Periodic Error Correction (PPEC) to minimize the worm gear's inherent tracking errors. For the most demanding applications, high-resolution encoder-equipped versions (CEM120EC and CEM120EC2) are available, which actively correct tracking in real-time to deliver a periodic error of less than ±3.5 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\u003eIntegrated Cable Management: 10+ Ports for a Tangle-Free Setup\u003c\/h3\u003e\n\u003cp\u003eCable drag and snagging are eliminated with the CEM120's advanced cable management system. A comprehensive array of ports is built directly into the mount saddle and central column, preventing wires from wrapping around the mount during slews. This through-the-mount routing is essential for reliable remote and automated observatory operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Outputs:\u003c\/strong\u003e Two 12V\/5A DC ports and two 12V\/1A DC ports provide power for your camera, dew heaters, and other accessories right at the saddle plate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Ports:\u003c\/strong\u003e Three USB 3.0 ports and two USB 2.0 ports handle high-speed camera data and guide camera connections without external hubs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Ports:\u003c\/strong\u003e An ST-4 guiding port, an auxiliary port, and connections for the optional iPolar electronic polar scope are all integrated.\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\u003eGo2Nova 8410 Controller: GPS, WiFi, and Remote Observatory Control\u003c\/h3\u003e\n\u003cp\u003eThe CEM120 includes the Go2Nova® 8410 controller, a powerful hub for mount operation. A built-in 32-channel GPS automatically inputs the date, time, and location for a fast and accurate setup. The mount also features an automatic zero search function to find its home position, ensuring repeatable and reliable startup every time.\u003c\/p\u003e\n\u003cp\u003eWhile the hand controller provides full access to all functions, the CEM120 is designed for modern computer control. With built-in WiFi and a dedicated LAN port, you can connect directly to the mount for full remote operation using your favorite planetarium software or automation programs like N.I.N.A. or Sequence Generator Pro, making it a perfect match for a backyard observatory.\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\u003eiOptron CEM120 vs. Sky-Watcher EQ8-R Pro: Design and Connectivity\u003c\/h3\u003e\n\u003cp\u003eIn the heavy-duty observatory class, the CEM120 is often compared to the Sky-Watcher EQ8-R Pro. While both mounts handle similar payloads, they achieve it with different design philosophies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSky-Watcher EQ8-R Pro Advantage:\u003c\/strong\u003e The EQ8-R Pro features a belt-drive system, which can provide very smooth tracking with low backlash. It also includes Freedom-Find dual encoders as a standard feature across all models, allowing for manual slewing without losing alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron CEM120 Advantage:\u003c\/strong\u003e The CEM120's primary advantage is its superior payload-to-weight ratio of 2:1, making its 57 lb head significantly lighter and more manageable than the EQ8-R Pro's ~63 lb head for a similar 115 lb capacity. More importantly, the CEM120's integrated cable management system is far more advanced, offering a complete solution for power and data that eliminates cable wrap—a critical feature for remote imaging that the EQ8-R does not have integrated to the same degree.\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 the main advantage of the iOptron CEM120's Center-balanced design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Center-balanced Equatorial Mount (CEM) design places the telescope's center of gravity directly over the pier. This creates a more naturally stable system, allowing the \u003cstrong\u003eiOptron CEM120\u003c\/strong\u003e to carry a heavy \u003cstrong\u003e115 lb (52 kg)\u003c\/strong\u003e payload on a relatively lightweight \u003cstrong\u003e57 lb (26 kg)\u003c\/strong\u003e mount head, achieving an industry-leading payload-to-weight ratio of 2:1.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow much payload can the iOptron CEM120 handle for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron CEM120 has a maximum instrument capacity of \u003cstrong\u003e115 lbs (52 kg)\u003c\/strong\u003e, not including counterweights. This is more than enough to support large refractor or reflector systems, such as 14\" SCTs or 7\" refractors, complete with heavy imaging trains including cameras, filter wheels, and off-axis guiders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the CEM120, CEM120EC, and CEM120EC2 models?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary difference is the inclusion of high-precision encoders for real-time tracking correction.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM120:\u003c\/strong\u003e The standard model relies on its precision worm gear and Permanent Periodic Error Correction (PPEC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM120EC:\u003c\/strong\u003e Includes a high-resolution encoder on the Right Ascension (RA) axis, reducing periodic error to less than \u003cstrong\u003e±3.5 arc seconds\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM120EC2:\u003c\/strong\u003e Includes high-resolution encoders on both the Right Ascension (RA) and Declination (DEC) axes for the highest possible tracking and pointing accuracy.\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 mount a 14\" SCT like a Celestron C14 on the iOptron CEM120 for imaging galaxies like the Whirlpool Galaxy (M51)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. A typical C14 optical tube weighs around 45 lbs, leaving ample capacity within the CEM120's \u003cstrong\u003e115 lb limit\u003c\/strong\u003e for a full imaging setup (guide scope, camera, filter wheel, etc.). The mount's stability and precise tracking are ideal for capturing the fine spiral details in galaxies like M51, especially with one of the encoder-equipped versions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of tracking accuracy can I expect from the iOptron CEM120 with a heavy refractor at long focal lengths?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEven the standard iOptron CEM120 model provides excellent tracking for long-focal-length imaging through its PPEC system and ST-4 autoguiding port. For ultimate precision with a heavy, long-focal-length instrument, the \u003cstrong\u003eCEM120EC\u003c\/strong\u003e or \u003cstrong\u003eCEM120EC2\u003c\/strong\u003e models are recommended. Their high-resolution encoders actively correct for gear errors, delivering a native periodic error of under \u003cstrong\u003e±3.5 arc seconds\u003c\/strong\u003e, which minimizes guide corrections and produces exceptionally round stars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the iOptron CEM120 require an external computer for GoTo operation?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the included \u003cstrong\u003eGo2Nova® 8410 hand controller\u003c\/strong\u003e provides full GoTo functionality and access to the mount's entire object database. However, the mount is designed for advanced use with a computer. With built-in \u003cstrong\u003eWiFi and LAN ports\u003c\/strong\u003e, you can connect directly to the CEM120 for a more powerful and user-friendly experience with planetarium software.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power supply is required for the iOptron CEM120?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron CEM120 requires a stable \u003cstrong\u003eDC 12V, 5A\u003c\/strong\u003e power source. The mount consumes approximately 0.7A while tracking and up to 1.8A during high-speed GoTo slews. A robust power supply is critical for reliable performance.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eCenter-balanced Equatorial Mount (CEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload\u003c\/td\u003e\n\u003ctd\u003e52 kg (115 lbs), excluding counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e26 kg (57 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAll metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0° ~ 68° (0.5 arcmin division)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 5° (3 arcmin division)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (with Encoder)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ±3.5 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction (PEC)\u003c\/td\u003e\n\u003ctd\u003ePPEC (Permanent PEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e240 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ216mm, 360 teeth, zero backlash (RA \u0026amp; DEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm\u003c\/td\u003e\n\u003ctd\u003eΦ26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA\/DEC Axle\u003c\/td\u003e\n\u003ctd\u003eΦ80mm, steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA\/DEC Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ125mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ38.1 x 540 mm, 4.5kg Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Counterweights\u003c\/td\u003e\n\u003ctd\u003e10 kg (22 lbs) x2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003ePrecision stepper motor w\/ 128 micro-steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.07 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Slew Speed\u003c\/td\u003e\n\u003ctd\u003e4°\/sec (960x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8410\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eLosmandy D-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.7A (Tracking), 1.8A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eYes, 32-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eOptional iPolar electronic polar scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS232, USB, LAN, WiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management Ports\u003c\/td\u003e\n\u003ctd\u003e2x DC12V(1A), 2x DC(5A), ST4, 6P6C, 2x USB2.0, 3x USB3.0, USB for iPolar, AUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C ~ +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable Options\u003c\/td\u003e\n\u003ctd\u003eCEM120 (No encoder), CEM120EC (RA Encoder), CEM120EC2 (RA \u0026amp; DEC Encoders)\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\"\u003eCEM120 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\"\u003eGo2Nova 8410 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\"\u003eHand Controller 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\"\u003eCounterweight Shaft\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 kg (22 lbs) Counterweight\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\"\u003eAccessory Package\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_CEM120_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"CEM120 - No encoder","offer_id":44967924760861,"sku":"IOP-7300","price":7909.0,"currency_code":"CAD","in_stock":true},{"title":"CEM120EC - 1x Encoder (RA)","offer_id":44967924793629,"sku":"IOP-7301","price":10849.0,"currency_code":"CAD","in_stock":true},{"title":"CEM120EC2 - 2x Encoders (RA \u0026 DEC)","offer_id":44967924826397,"sku":"IOP-7302","price":13397.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-CEM120__32958.1636763381.1280.1280.jpg?v=1684347081"},{"product_id":"ioptron-cem70-mount","title":"iOptron CEM70 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e70 lbs (31.8 kg) payload on a 30 lbs (13.6 kg) mount head, 2.33 payload-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eCenter-balanced equatorial mount (CEM) design with Φ151mm worm wheels and Φ55mm steel axles\u003c\/li\u003e\n\u003cli\u003ePeriodic error \u0026lt; ±5 arcsec with PPEC (CEM70); \u0026lt; 0.3 arcsec RMS with encoders (EC and EC2 versions)\u003c\/li\u003e\n\u003cli\u003eIntegrated iPolar electronic polar scope and built-in 32-channel GPS\u003c\/li\u003e\n\u003cli\u003eThrough-the-mount cable management; WiFi \u0026amp; USB 3.0 on W versions, 19V\/LAN\/USB NUC ports on NUC versions\u003c\/li\u003e\n\u003cli\u003eGo2Nova 8410 GoTo controller, 9.5 kg (20 lbs) counterweight and hard case with every version\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\u003eiOptron CEM70 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron CEM70 carries a 70 lb (31.8 kg) imaging payload on a mount head that weighs only 30 lbs (13.6 kg), a 2.33 payload-to-weight ratio built on massive Φ151mm worm wheels, Φ55mm steel axles and Φ80mm bearings. It is offered in several versions to match how you image: the standard CEM70 with Permanent PEC and a periodic error below ±5 arcseconds, the CEM70EC with a high-resolution Right Ascension encoder, and the CEM70EC2 with encoders on both axes, the EC and EC2 both tracking to less than 0.3 arcseconds RMS. Each family is available with built-in WiFi \u0026amp; USB 3.0 or with Intel NUC integration, and the standard CEM70 is also offered with the iGuider. Every version shares the integrated iPolar, GPS, Go2Nova 8410 controller, 9.5 kg counterweight and hard 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\u003e70 lb Payload on a 30 lb Center-Balanced Frame\u003c\/h3\u003e\n\u003cp\u003eThe CEM70's center-balanced design positions the payload's center of gravity directly over the tripod's or pier's central axis, giving it greater natural stability than a traditional German equatorial mount and requiring less counterweight to balance a heavy optical tube. This lets the all-metal mount support a 70 lb (31.8 kg) imaging system on a head that weighs just 30 lbs (13.6 kg). Φ55mm steel axles running in Φ80mm bearings on both axes and an 8\" Losmandy D \u0026amp; Vixen dual saddle provide a rigid, flexure-free platform for 11\" SCTs, large refractors and long-focal-length reflectors with a full imaging train.\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 \u0026lt; ±5 Arcsec PPEC to \u0026lt; 0.3 Arcsec RMS Encoder Tracking\u003c\/h3\u003e\n\u003cp\u003eEvery CEM70 shares the same drive train: Φ151mm, 248-tooth worm wheels with Φ21.2mm worms and a 348-second worm period, turned by precision stepper motors with 128 micro-steps for a 0.07 arcsecond resolution and slews of up to 3.75°\/sec (900x). What changes between versions is how tracking error is corrected.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70:\u003c\/strong\u003e Permanent Periodic Error Correction (PPEC) keeps periodic error below ±5 arcseconds, an excellent, responsive base for autoguided imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70EC:\u003c\/strong\u003e A high-resolution encoder on the Right Ascension axis drives Real-time PEC (RPEC), measuring and correcting worm gear error as it happens for a periodic error of less than 0.3 arcseconds RMS, with no PEC training required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70EC2:\u003c\/strong\u003e Adds a second high-resolution encoder on the Declination axis, so both axes are monitored in real time while keeping the same \u0026lt; 0.3 arcsecond RMS periodic error.\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\u003eIntegrated iPolar, 32-Channel GPS and Go2Nova 8410 Control\u003c\/h3\u003e\n\u003cp\u003eSetting up for an imaging session is dramatically simplified with the built-in iPolar electronic polar scope. Its internal camera and software plate-solve the star field around the celestial pole and guide your altitude and azimuth adjustments on a computer screen, typically reaching a precise polar alignment in a few minutes without kneeling behind the mount, even if Polaris itself is partially obstructed. The internal 32-channel GPS enters your location, date and time automatically, and the Go2Nova 8410 hand controller with its 8-line, 21-character LCD handles alignment, GoTo and automatic meridian flips, while an ST-4 port and ASCOM driver support control from your imaging software.\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\u003eCable Management: 3 USB Ports on the Saddle, or 19V NUC Power\u003c\/h3\u003e\n\u003cp\u003eCable snags are a primary source of tracking errors, so every CEM70 routes power and data through the mount body to ports near the saddle. The port set depends on the version you choose:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70, CEM70EC, CEM70EC2 and iGuider:\u003c\/strong\u003e 2x DC12V (3A) outputs, 3x USB 2.0 ports, 1x DC in \/ 1x DC out, iPort and a USB input, for your camera, guide camera and focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eW versions (WiFi \u0026amp; USB3):\u003c\/strong\u003e Built-in WiFi for wireless control plus a USB 3.0 connection, with 3x USB 3.0 ports, 1x DC12V (3A), 1x DC in \/ 2x DC out and iPort for fast camera downloads through the mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNUC versions:\u003c\/strong\u003e Dedicated DC 19V power, LAN and USB ports on the saddle to host an Intel NUC or similar mini PC right on the mount, plus DC12V (3A), DC (5A), guide and USB ports on the body, so the whole rig runs from one onboard computer with nothing dragging during a meridian flip.\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\u003eChoose Your CEM70 Version\u003c\/h3\u003e\n\u003cp\u003eAll ten versions share the 70 lb payload, 30 lb head, iPolar, GPS, Go2Nova 8410 controller, 9.5 kg counterweight and hard case. Pick a tracking family first (CEM70, CEM70EC or CEM70EC2), then the connectivity that suits your rig.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70 (standard):\u003c\/strong\u003e PPEC and \u0026lt; ±5 arcsec periodic error. The best value for imagers who already autoguide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70EC:\u003c\/strong\u003e Adds a high-resolution RA encoder with RPEC for \u0026lt; 0.3 arcsec RMS periodic error, making unguided multi-minute exposures practical at many focal lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM70EC2:\u003c\/strong\u003e High-resolution encoders on both RA and DEC with the same \u0026lt; 0.3 arcsec RMS rating, for imagers who want real-time encoder feedback on both axes of a long-focal-length or observatory rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eW versions (CEM70 w\/ WiFi \u0026amp; USB3, CEM70ECW, CEM70EC2W):\u003c\/strong\u003e Add built-in WiFi and upgrade the saddle hub to 3x USB 3.0 for cable-free mount control and fast data from high-resolution cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNUC-Ready versions (CEM70, CEM70EC and CEM70EC2):\u003c\/strong\u003e Add saddle-mounted DC 19V, LAN and USB ports to power and connect an Intel NUC mini PC (computer sold separately), and ship with a hard case shaped for the NUC version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiGuider version (CEM70 only):\u003c\/strong\u003e Adds iOptron's iGuider guiding system so you can autoguide without mounting a separate guide scope.\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\u003eiOptron CEM70 vs. Sky-Watcher EQ6-R Pro: Design and Integration\u003c\/h3\u003e\n\u003cp\u003eWhile the Sky-Watcher EQ6-R Pro is a benchmark for reliability in its payload class, the iOptron CEM70 represents a significant step up in both design philosophy and integrated features for the serious imager.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePayload-to-Weight Ratio:\u003c\/strong\u003e The EQ6-R Pro supports a respectable 44 lbs on a 38 lb head. The CEM70's center-balanced design carries 70 lbs on a 30 lb head, giving it a 2.33 ratio that is more than double the EQ6-R's, making it far more portable for its capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolar Alignment:\u003c\/strong\u003e Every CEM70 includes the iPolar electronic polar scope for fast, accurate alignment via a laptop screen. The EQ6-R relies on a traditional, through-the-axis optical polar scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Management:\u003c\/strong\u003e The CEM70's saddle-mounted USB hub (USB 2.0, or USB 3.0 on W versions) and 12V power outputs are a major advantage for managing imaging equipment. The EQ6-R lacks this integrated hub, requiring external cable routing that is prone to snagging.\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 the difference between the CEM70 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same \u003cstrong\u003e70 lb (31.8 kg)\u003c\/strong\u003e payload, 30 lb head, iPolar, GPS, counterweight and hard case. The standard \u003cstrong\u003eCEM70\u003c\/strong\u003e uses PPEC for a periodic error below \u003cstrong\u003e±5 arcseconds\u003c\/strong\u003e. The \u003cstrong\u003eCEM70EC\u003c\/strong\u003e adds a high-resolution encoder on the RA axis with Real-time PEC for \u003cstrong\u003e\u0026lt; 0.3 arcsec RMS\u003c\/strong\u003e, and the \u003cstrong\u003eCEM70EC2\u003c\/strong\u003e adds encoders on both RA and DEC with the same rating. Within each family, \u003cstrong\u003eW\u003c\/strong\u003e versions add built-in WiFi and a USB 3.0 hub, \u003cstrong\u003eNUC\u003c\/strong\u003e versions add DC 19V, LAN and USB ports on the saddle for an onboard mini PC, and the standard CEM70 is also offered with the \u003cstrong\u003eiGuider\u003c\/strong\u003e guiding system.\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 iOptron CEM70's center-balanced design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is a superior payload-to-weight ratio of \u003cstrong\u003e2.33\u003c\/strong\u003e. By balancing the payload's center of gravity over the mount's core, every CEM70 can carry a \u003cstrong\u003e70 lb (31.8 kg)\u003c\/strong\u003e instrument package on a mount head that weighs only \u003cstrong\u003e30 lbs (13.6 kg)\u003c\/strong\u003e, making it more stable and portable than traditional German equatorial mounts of similar capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the CEM70 handle a Celestron EdgeHD 11\" for imaging the Whirlpool Galaxy (M51)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. An 11\" EdgeHD OTA weighs approximately \u003cstrong\u003e28 lbs (12.7 kg)\u003c\/strong\u003e, well under the CEM70's \u003cstrong\u003e70 lb\u003c\/strong\u003e payload capacity, leaving room for a camera, filter wheel and off-axis guider. The included \u003cstrong\u003e9.5 kg (20 lbs)\u003c\/strong\u003e counterweight may not balance a fully loaded 11\" setup on its own, so plan on an additional counterweight for payloads above roughly 20-25 lbs. With PPEC and autoguiding on the standard CEM70, or \u003cstrong\u003e\u0026lt; 0.3 arcsec RMS\u003c\/strong\u003e tracking on the EC and EC2, the mount holds the fine spiral arm detail of M51 at SCT focal lengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I still need to autoguide with the CEM70EC or CEM70EC2?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor many focal lengths, no. The \u003cstrong\u003e\u0026lt; 0.3 arcsecond RMS\u003c\/strong\u003e periodic error of the encoder versions allows multi-minute unguided exposures with round stars. Autoguiding is still recommended for the longest exposures and highest-resolution work, because it corrects things encoders cannot, such as atmospheric refraction, polar misalignment drift and flexure in your optical tube. The standard CEM70, at \u003cstrong\u003e\u0026lt; ±5 arcsec\u003c\/strong\u003e with PPEC, is designed to be autoguided for long-exposure imaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the integrated iPolar work if I can't see Polaris?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iPolar plate-solves the star field around the celestial pole, so it does not need Polaris itself to be visible and typically delivers a precise alignment in a few minutes from your computer screen. It does need a clear view of the sky near the pole; it cannot see through clouds, trees or buildings. If the pole is completely blocked, use an alternative method such as drift alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eShould I choose a W version or a NUC version of the CEM70?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eChoose a \u003cstrong\u003eW version\u003c\/strong\u003e if you control the mount from a laptop or tablet: it adds built-in WiFi and a hub with \u003cstrong\u003e3x USB 3.0\u003c\/strong\u003e ports for fast camera downloads through the mount. Choose a \u003cstrong\u003eNUC version\u003c\/strong\u003e if you want an onboard computer: dedicated \u003cstrong\u003eDC 19V, LAN and USB\u003c\/strong\u003e ports on the saddle power and connect an Intel NUC or similar mini PC (sold separately) mounted directly on the CEM70, so no cables wrap or snag as the mount slews.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of power supply do I need to run the CEM70 in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou need a stable \u003cstrong\u003eDC 12V power supply capable of delivering at least 5 Amps\u003c\/strong\u003e, with a 5.5mm\/2.5mm plug. The mount itself draws only about \u003cstrong\u003e0.6A\u003c\/strong\u003e when tracking and \u003cstrong\u003e0.8A\u003c\/strong\u003e when slewing, but the 5A rating covers motor start-up current and the accessories powered through the mount's cable management ports.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eCenter-balanced Equatorial Mount (CEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload\u003c\/td\u003e\n\u003ctd\u003e31.8 kg (70 lbs), excluding counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e13.6 kg (30 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2.33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ±5 arcsec (CEM70); \u0026lt; 0.3 arcsec RMS by encoder (CEM70EC, CEM70EC2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePEC\u003c\/td\u003e\n\u003ctd\u003ePPEC, Permanent PEC (CEM70); Real-time PEC, RPEC (CEM70EC, CEM70EC2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Resolution Encoders\u003c\/td\u003e\n\u003ctd\u003eNone (CEM70); RA axis (CEM70EC); RA and DEC axes (CEM70EC2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAll metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0° ~ 65°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 4°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ151mm, 248 teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ151mm, 248 teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm\u003c\/td\u003e\n\u003ctd\u003eΦ21.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e348 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Axle\u003c\/td\u003e\n\u003ctd\u003eΦ55mm, steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Axle\u003c\/td\u003e\n\u003ctd\u003eΦ55mm, steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ80mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003ePrecision stepper motor w\/128 micro-steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGoTo Resolution\u003c\/td\u003e\n\u003ctd\u003e0.07 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speed\u003c\/td\u003e\n\u003ctd\u003e3.75°\/sec (900x) max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8410, 8 line 21 character LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eInternal electronic polar scope, iPolar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eYes, 32-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003e8\" Losmandy D \u0026amp; Vixen Dual Saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A (5.5mm\/2.5mm plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 0.8A (GOTO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0; USB 3.0 and built-in WiFi (W versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management\u003c\/td\u003e\n\u003ctd\u003e2x DC12V (3A), 3x USB 2.0, 1x DC in\/1x DC out, iPort, 1x USB input (CEM70, CEM70EC, CEM70EC2, iGuider); 1x DC12V (3A), 3x USB 3.0, 1x DC in\/2x DC out, iPort (W versions); body DC12V (3A), DC (5A), guide, USB + saddle DC 19V, LAN, USB (NUC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeridian Treatment\u003c\/td\u003e\n\u003ctd\u003eStop (0-10° pass), auto flip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Position\u003c\/td\u003e\n\u003ctd\u003eAutomatic zero search\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ28 x 415 mm, stainless steel (1.9kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Included\u003c\/td\u003e\n\u003ctd\u003e9.5 kg (20 lbs) x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Base Size\u003c\/td\u003e\n\u003ctd\u003eΦ152mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Case\u003c\/td\u003e\n\u003ctd\u003eYes, all versions (NUC versions use a case shaped for the NUC mount head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C ~ +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\/Pier\u003c\/td\u003e\n\u003ctd\u003eNot included; LiteRoc tripod (8023ACC) or pier optional\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\"\u003eCEM70 Mount Head (CEM70, CEM70EC or CEM70EC2, per version)\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\"\u003eIntegrated iPolar Electronic Polar Scope\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\"\u003eiGuider Guiding System\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iGuider version)\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\"\u003eGo2Nova 8410 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\"\u003e9.5 kg (20 lbs) 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\"\u003eCounterweight Shaft\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\"\u003eHard 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\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eAC Power Adapter \u0026amp; DC Cables\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_CEM70_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"CEM70 w\/ iPolar","offer_id":44967924891933,"sku":"IOP-C70A","price":4969.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70 w\/ iPolar, WiFi \u0026 USB3","offer_id":44967925055773,"sku":"IOP-C70AW","price":5529.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70 NUC-Ready w\/ iPolar","offer_id":44967924957469,"sku":"IOP-C70AN","price":4701.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70 w\/ iPolar \u0026 iGuider","offer_id":44967924924701,"sku":"IOP-C70AG","price":5177.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC w\/ iPolar","offer_id":44967924990237,"sku":"IOP-C704A0","price":7461.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC w\/ iPolar, WiFi \u0026 USB3","offer_id":52917262352669,"sku":"IOP-C704AW0","price":7937.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC NUC-Ready w\/ iPolar","offer_id":44967925023005,"sku":"IOP-C704AN0","price":6941.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC2 w\/ iPolar","offer_id":44967925088541,"sku":"IOP-C706A0","price":8635.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC2 w\/ iPolar, WiFi \u0026 USB3","offer_id":52917262385437,"sku":"IOP-C706AW0","price":9995.0,"currency_code":"CAD","in_stock":true},{"title":"CEM70EC2 NUC-Ready w\/ iPolar","offer_id":52917262418205,"sku":"IOP-C706AN0","price":9659.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-CEM70__60812.1636769799.1280.1280.jpg?v=1684347083"},{"product_id":"ioptron-cem40-mount","title":"iOptron CEM40 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e40 lb (18 kg) payload on a 17.4 lb (7.9 kg) mount head, 2.28 payload-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eIntegrated iPolar electronic polar scope and built-in 32-channel GPS\u003c\/li\u003e\n\u003cli\u003e\u0026lt; ±7.5 arcsec periodic error with PPEC (CEM40); \u0026lt; 0.3 arcsec RMS with RA encoder (CEM40EC)\u003c\/li\u003e\n\u003cli\u003eGo2Nova GoTo controller with 212,000+ object database\u003c\/li\u003e\n\u003cli\u003e6\" Losmandy D \u0026amp; Vixen dual saddle with DC12V, ST-4 and USB cable management\u003c\/li\u003e\n\u003cli\u003ePackages with LiteRoc or 1.5\" tripod, or Head Only (no tripod, no counterweight)\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\u003eiOptron CEM40 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron CEM40 redefines portability by supporting a 40 lb (18 kg) payload on a mount head that weighs only 17.4 lb (7.9 kg), an impressive 2.28 payload-to-weight ratio. Its drive is built around Φ110mm, 216-tooth zero-backlash worm wheels, and every version includes the integrated iPolar electronic polar scope, built-in GPS and a Go2Nova controller with over 212,000 objects. The CEM40 is offered in several versions: the standard CEM40 with \u0026lt; ±7.5 arcsec periodic error or the encoder-equipped CEM40EC at \u0026lt; 0.3 arcsec RMS, with or without a hard case, with the iGuider or NUC integration, and packaged with a 1.75\" LiteRoc tripod, a 1.5\" tripod, or as a head-only kit for pier and existing-tripod owners.\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 2.28 Payload-to-Weight Ratio: 40 lb Capacity from a 17.4 lb Head\u003c\/h3\u003e\n\u003cp\u003eThe core of the CEM40's design is its Center-Balanced Equatorial Mount architecture, which places the payload's center of gravity directly over the tripod's or pier's central axis. This increases stability and allows the mount to handle a 40 lb instrument load with a head weighing just 17.4 lbs, a ratio traditional German equatorial mounts struggle to match. The entire structure is CNC machined from metal and finished in anodized red\/black, giving you a rigid, durable platform you can carry to a dark sky site without the burden of an excessively heavy mount.\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\u003ePrecision Drive: 216-Tooth Worm Wheels, PPEC or \u0026lt; 0.3 Arcsec RMS Encoder\u003c\/h3\u003e\n\u003cp\u003eBoth axes use large Φ110mm worm wheels with 216 teeth, driven by Φ17mm brass worms through a synchronous belt transmission. The spring-loaded, zero-backlash worm system maintains constant gear pressure for responsive guiding corrections, while 1.8° stepper motors with 128x micro-stepping achieve a fine 0.08 arcsecond resolution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM40:\u003c\/strong\u003e A native periodic error of less than ±7.5 arcseconds, further improved with built-in Permanent Periodic Error Correction (PPEC), gives an autoguider very little work to do.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM40EC:\u003c\/strong\u003e A high-resolution encoder on the Right Ascension axis drives Real-time PEC (RPEC), correcting worm gear error as it happens for a periodic error of less than 0.3 arcseconds RMS, precise enough for multi-minute unguided exposures with many short-to-medium focal length refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid Shafts:\u003c\/strong\u003e Both RA and DEC axes are built on Φ45mm steel shafts supported by Φ68mm bearings for maximum stability under load.\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\u003eGo2Nova Controller: 212,000+ Objects, GPS and 4.5°\/sec Slewing\u003c\/h3\u003e\n\u003cp\u003eThe Go2Nova hand controller's 8-line, 21-character LCD is your command center for a database of more than 212,000 objects, and the built-in 32-channel GPS automatically enters your location, date and time for a faster, more accurate setup. Once aligned, the CEM40 slews between targets at up to 4.5° per second.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Cable Management:\u003c\/strong\u003e Pass-through DC12V (3A), ST-4 and USB ports near the saddle keep camera and guide camera cables from snagging as the mount slews.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Saddle:\u003c\/strong\u003e The 6\" dovetail saddle accepts both Losmandy D-style and Vixen V-style plates without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Zero Search and Power-Down Memory:\u003c\/strong\u003e The mount finds its own zero position and remembers its state, giving you a reliable starting point every night.\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\u003eiPolar Alignment: Accurate Setup from 0° to 60° Latitude\u003c\/h3\u003e\n\u003cp\u003eEvery CEM40 eliminates the most tedious part of setup with its integrated iPolar electronic polar scope. Its sensitive camera and software plate-solve the star field around the celestial pole, so you achieve a precise polar alignment in minutes on your computer screen, without kneeling behind the mount and even when Polaris is obscured. The mount's wide 0° to 60° latitude adjustment range makes it a viable option for observers from the equator to high northern or southern latitudes.\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\u003eChoose Your CEM40 Version\u003c\/h3\u003e\n\u003cp\u003eAll versions share the same 40 lb payload, 17.4 lb head, integrated iPolar, GPS, Go2Nova controller and AC adapter. Choose the tracking model first, then the package that fits how you will support and transport the mount.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM40 (standard):\u003c\/strong\u003e \u0026lt; ±7.5 arcsec periodic error with PPEC. Ideal for imagers who autoguide through the ST-4 port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCEM40EC:\u003c\/strong\u003e Adds a high-resolution RA encoder with RPEC for \u0026lt; 0.3 arcsec RMS periodic error, making unguided imaging with short-to-medium focal lengths practical and giving long focal length systems a steadier guiding platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLiteRoc versions:\u003c\/strong\u003e Include the 1.75\" stainless steel LiteRoc tripod (7 kg) and a 5 kg (11 lbs) counterweight, ready to set up and image.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5\" Tripod versions:\u003c\/strong\u003e Include a 1.5\" tripod in place of the LiteRoc, plus a 5 kg (11 lbs) counterweight, as a complete ready-to-use package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase versions:\u003c\/strong\u003e Add a custom-fitted hard carrying case for transport and storage. CEM40 w\/ iPolar \u0026amp; LiteRoc and CEM40 w\/ iPolar \u0026amp; 1.5\" Tripod do not include a case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiGuider version:\u003c\/strong\u003e Adds iOptron's iGuider guiding system to the CEM40 for autoguiding without a separate guide scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNUC versions:\u003c\/strong\u003e Add provisions for mounting an Intel NUC mini PC on the mount (computer sold separately) for a compact, computer-controlled imaging rig with fewer loose cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Only versions (CEM40 and CEM40EC):\u003c\/strong\u003e Mount head with iPolar, hand controller, AC adapter and hard case, with no tripod and no counterweight. The right choice if you already own a tripod or will install the mount on a pier.\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\u003eCEM40 vs. GEM45: Choosing Your iOptron Mount\u003c\/h3\u003e\n\u003cp\u003eThe CEM40 and its sibling, the GEM45, are two of the most capable mounts in their payload class. The choice between them often comes down to design preference and specific use cases.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron CEM40:\u003c\/strong\u003e With its 40 lb payload and 17.4 lb head weight, the CEM40's primary advantage is portability and ergonomics. The center-balanced form factor is inherently stable and easier to carry and set up, especially for observers at lower latitudes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron GEM45:\u003c\/strong\u003e The GEM45 uses a traditional German Equatorial Mount design with a slightly higher 45 lb payload capacity. It can be a better fit for permanently mounted setups or for users accustomed to the workflow of a conventional GEM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor most portable imagers, the CEM40's center-balanced design, lighter weight and excellent stability are a decisive advantage in the field.\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 difference between the CEM40 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEvery version uses the same \u003cstrong\u003e40 lb (18 kg)\u003c\/strong\u003e payload mount head with integrated iPolar and GPS. The standard \u003cstrong\u003eCEM40\u003c\/strong\u003e tracks to \u003cstrong\u003e\u0026lt; ±7.5 arcsec\u003c\/strong\u003e with PPEC, while the \u003cstrong\u003eCEM40EC\u003c\/strong\u003e adds a high-resolution RA encoder for \u003cstrong\u003e\u0026lt; 0.3 arcsec RMS\u003c\/strong\u003e. The rest of the label tells you what is packaged with it: \u003cstrong\u003eLiteRoc\u003c\/strong\u003e (1.75\" tripod) or \u003cstrong\u003e1.5\" Tripod\u003c\/strong\u003e versions include a tripod and a 5 kg counterweight, \u003cstrong\u003eCase\u003c\/strong\u003e versions add a hard carrying case, \u003cstrong\u003eiGuider\u003c\/strong\u003e and \u003cstrong\u003eNUC\u003c\/strong\u003e versions add guiding or mini-PC integration, and \u003cstrong\u003eHead Only\u003c\/strong\u003e versions include the mount head, iPolar, controller and hard case but \u003cstrong\u003eno tripod and no counterweight\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do I need to buy separately with a CEM40 Head Only version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Head Only packages include the mount head, integrated iPolar, Go2Nova hand controller, AC adapter and hard case. To image you will need \u003cstrong\u003ea tripod or pier\u003c\/strong\u003e (such as the iOptron LiteRoc tripod) and \u003cstrong\u003eat least one counterweight\u003c\/strong\u003e sized to your payload; the CEM40 uses the #8027 counterweight on its Φ28mm counterweight shaft.\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 iOptron CEM40's center-balanced design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe center-balanced design places the telescope's weight directly over the center of the pier or tripod. This increases stability and gives the CEM40 a high payload-to-weight ratio of \u003cstrong\u003e2.28\u003c\/strong\u003e, carrying a \u003cstrong\u003e40 lb\u003c\/strong\u003e payload on a mount head that weighs only \u003cstrong\u003e17.4 lb\u003c\/strong\u003e, so it is far easier to transport and set up than a traditional GEM of similar capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the iOptron CEM40 handle an 8\" SCT for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. An 8\" SCT optical tube typically weighs \u003cstrong\u003e12-15 lbs\u003c\/strong\u003e, and with a camera, guide scope and accessories the total is usually around \u003cstrong\u003e20-25 lbs\u003c\/strong\u003e, well within the CEM40's \u003cstrong\u003e40 lb\u003c\/strong\u003e capacity. The standard CEM40's \u003cstrong\u003e\u0026lt; ±7.5 arcsec\u003c\/strong\u003e tracking with autoguiding, or the CEM40EC's \u003cstrong\u003e\u0026lt; 0.3 arcsec RMS\u003c\/strong\u003e encoder tracking, is more than sufficient for detailed images of M42.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs autoguiding necessary for imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith the standard \u003cstrong\u003eCEM40\u003c\/strong\u003e, plan to autoguide: a guide camera on a separate guide scope (or the iGuider version) connects to the \u003cstrong\u003eST-4 port\u003c\/strong\u003e, and guiding software on a laptop connected via USB keeps stars pinpoint. With the \u003cstrong\u003eCEM40EC\u003c\/strong\u003e, many wide-field setups (typically \u003cstrong\u003eunder 600mm\u003c\/strong\u003e focal length) produce round stars in multi-minute unguided exposures thanks to its \u003cstrong\u003e\u0026lt; 0.3 arcsec RMS\u003c\/strong\u003e tracking; guiding still helps with longer focal lengths or exposures beyond 5-10 minutes by correcting atmospheric refraction and drift.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the iPolar on the CEM40 simplify polar alignment?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe integrated \u003cstrong\u003eiPolar\u003c\/strong\u003e is an electronic polar scope built into every CEM40. Its sensitive camera and software plate-solve the star field around the celestial pole and show you on your computer screen how to adjust altitude and azimuth, so you reach a highly accurate alignment in just a few minutes without kneeling behind the mount, even if you cannot see Polaris.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the iOptron CEM40 have built-in WiFi?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the CEM40 does not have built-in WiFi. WiFi connectivity is available as an \u003cstrong\u003eexternal, optional\u003c\/strong\u003e accessory for wireless control from a smartphone, tablet or computer. Out of the box, the mount connects to a computer through its \u003cstrong\u003eUSB\u003c\/strong\u003e port.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eCenter-Balanced Equatorial Mount (CEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Payload\u003c\/td\u003e\n\u003ctd\u003e40 lb (18 kg), excluding counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e17.4 lb (7.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload-to-Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2.28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior Finish\u003c\/td\u003e\n\u003ctd\u003eAnodized red\/black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0º ~ 60º (special CW shaft mounting if \u0026lt;10°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Accuracy (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ±7.5 arcsec (CEM40); \u0026lt; 0.3 arcsec RMS with high-resolution encoder (CEM40EC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003ePPEC, Permanent PEC (CEM40); Real-time PEC, RPEC (CEM40EC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Resolution Encoder\u003c\/td\u003e\n\u003ctd\u003eNone (CEM40); RA axis (CEM40EC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e400 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Diameter\u003c\/td\u003e\n\u003ctd\u003eΦ17mm, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ110mm, 216 teeth, zero backlash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ110mm, 216 teeth, zero backlash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Axis Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ45mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Axis Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ45mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight Ascension Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclination Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003ePrecision stepper motor, 1.8º\/128X micro-step\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Resolution\u003c\/td\u003e\n\u003ctd\u003e0.08 arcsec (200 PPS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® HC, 8 line 21 character LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Database\u003c\/td\u003e\n\u003ctd\u003e212,000+ objects, with star identification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Slew Speed\u003c\/td\u003e\n\u003ctd\u003e4.5°\/sec (1080x)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A (5.5mm\/2.5mm plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, for indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 0.9A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-down Memory\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eInternal iPolar™ electronic polar scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eYes, built-in 32-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeridian Treatment\u003c\/td\u003e\n\u003ctd\u003eStop (0-10° pass), flip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Position\u003c\/td\u003e\n\u003ctd\u003eAutomatic zero search\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003e6\" Losmandy D \u0026amp; Vixen dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003eExternal (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management\u003c\/td\u003e\n\u003ctd\u003eDC12V (3A), ST4, USB ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ28 x 280 mm Stainless Steel, 1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Included\u003c\/td\u003e\n\u003ctd\u003eOne 5 kg (11 lbs) with LiteRoc and 1.5\" Tripod versions; not included with Head Only versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eLiteRoc 1.75\" Stainless Steel (7kg) on LiteRoc versions; 1.5\" tripod on 1.5\" Tripod versions; not included with Head Only versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Case\u003c\/td\u003e\n\u003ctd\u003eIncluded with Case versions (including both Head Only versions); not included with CEM40 w\/ iPolar \u0026amp; LiteRoc or CEM40 w\/ iPolar \u0026amp; 1.5\" Tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10ºC ~ 40ºC\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\"\u003eCEM40 or CEM40EC Mount Head (per version)\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\"\u003eiPolar Electronic Polar Scope (Integrated)\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\"\u003eGo2Nova 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\"\u003eAC Power Adapter (100-240V)\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 Shaft\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\"\u003e5 kg (11 lbs) Counterweight\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (LiteRoc and 1.5\" Tripod versions)\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\"\u003eLiteRoc 1.75\" Stainless Steel Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (LiteRoc versions)\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\"\u003e1.5\" Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (1.5\" Tripod versions)\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\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Case versions, incl. Head Only)\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\"\u003eiGuider Guiding System\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iGuider version)\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_7400_CEM40_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"CEM40 w\/ iPolar \u0026 LiteRoc","offer_id":44967925285149,"sku":"IOP-C401A3","price":3919.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967925317917,"sku":"IOP-C402A3","price":4045.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 w\/ iPolar \u0026 1.5\" Tripod","offer_id":44967925481757,"sku":"IOP-C401A1","price":3765.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967925514525,"sku":"IOP-C402A1","price":3891.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 w\/ iPolar, iGuider, Case \u0026 LiteRoc","offer_id":44967925350685,"sku":"IOP-C402AG3","price":4213.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 NUC-Ready w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967925383453,"sku":"IOP-C402AN3","price":4045.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40 Head Only w\/ iPolar \u0026 Case","offer_id":52917263106333,"sku":"IOP-C402A","price":3625.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40EC w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967925416221,"sku":"IOP-C404A3","price":6159.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40EC w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967925547293,"sku":"IOP-C404A1","price":6005.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40EC NUC-Ready w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967925448989,"sku":"IOP-C404AN3","price":6159.0,"currency_code":"CAD","in_stock":true},{"title":"CEM40EC Head Only w\/ iPolar \u0026 Case","offer_id":52917263139101,"sku":"IOP-C404A","price":5739.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-CEM40__82557.1636829546.1280.1280.jpg?v=1684347085"},{"product_id":"ioptron-cem26-mount","title":"iOptron CEM26 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e26 lbs (12 kg) payload capacity\u003c\/li\u003e\n\u003cli\u003e10 lbs (4.5 kg) mount head weight\u003c\/li\u003e\n\u003cli\u003eCenter-Balanced Equatorial Mount (CEM) design\u003c\/li\u003e\n\u003cli\u003eGo2Nova controller with ~212,000 objects\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi and USB port for computer control\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\u003eiOptron CEM26 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron CEM26 Mount redefines portable astrophotography by pairing a 26 lbs (12 kg) payload capacity with a mount head that weighs just 10 lbs (4.5 kg). This class-leading payload-to-weight ratio of 2.60 is achieved through iOptron's innovative Center-Balanced Equatorial Mount (CEM) design, which maximizes stability and tracking accuracy. Driven by 144-tooth worm wheels, the mount delivers a periodic error of less than ±12 arcseconds, while the Go2Nova controller puts a database of ~212,000 celestial objects at your fingertips via the hand controller or its built-in Wi-Fi.\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\u003eCEM Design: A 2.6 Payload-to-Weight Ratio for Ultimate Portability\u003c\/h3\u003e\n\u003cp\u003eThe core of the CEM26's design is its remarkable efficiency. By positioning the payload's center of gravity directly over the tripod, the CEM architecture delivers the stability of a much heavier mount without the physical burden. The mount head itself weighs only 10 lbs (4.5kg) yet confidently carries imaging rigs up to 26 lbs (12kg), resulting in an industry-leading payload-to-weight ratio of 2.60. This makes the CEM26 an ideal choice for astronomers who need a capable imaging platform that is easy to transport and set up at a dark sky site.\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\u003ePrecision Drive System: 144-Tooth Worm Wheels and \u0026lt;±12 Arcsecond PE\u003c\/h3\u003e\n\u003cp\u003eAccurate tracking is critical for astrophotography, and the CEM26 is engineered for precision. Both the right ascension and declination axes feature large Φ88mm, 144-tooth aluminum worm wheels driven by a 1.8º stepper motor with 128x micro-stepping. This combination yields a high resolution of 0.17 arcseconds for smooth tracking and precise guiding. The mount has a native periodic error of less than ±12 arcseconds, and its built-in Permanent Periodic Error Correction (PPEC) allows you to train the mount to reduce this error even further for unguided or long-exposure guided 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\u003eGo2Nova Controller: A 212,000-Object Database with WiFi Control\u003c\/h3\u003e\n\u003cp\u003eLocating and tracking celestial targets is managed by the powerful Go2Nova® 8409 hand controller, which contains a database of approximately 212,000 objects. For modern, flexible control, the CEM26 features built-in Wi-Fi, allowing you to connect and operate the mount wirelessly from a smartphone, tablet, or computer. It also includes a direct USB port for a reliable wired connection to a PC for control via ASCOM drivers, an ST-4 compatible autoguide port for deep-sky imaging, and supports firmware upgrades to keep the system current.\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\u003eField-Ready Ergonomics: 0º to 60º Latitude Range and Quick Polar Alignment\u003c\/h3\u003e\n\u003cp\u003eDesigned for practical use in the field, the CEM26 incorporates several features for a fast and painless setup. Its exceptionally wide latitude adjustment range of 0º to 60º ensures it can be polar aligned almost anywhere on Earth. Depending on the package, polar alignment is accomplished with either the AccuAlign™ optical polar scope or the highly-acclaimed iPolar™ electronic polar scope, which provides a fast, precise alignment through a simple software interface. Large, positive-locking gear clutches and a center-adjustable 3.8\" Vixen-style dovetail saddle make balancing your telescope quick and secure.\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\u003eiOptron CEM26 vs. Sky-Watcher HEQ5 Pro: A Modern Take on Portability\u003c\/h3\u003e\n\u003cp\u003eFor years, the Sky-Watcher HEQ5 Pro has been a benchmark for mid-range equatorial mounts. While the HEQ5 is known for its robust, traditional German Equatorial design, the iOptron CEM26 offers a distinctly modern alternative focused on portability and integrated technology.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight and Portability:\u003c\/strong\u003e This is the CEM26's defining advantage. Its 10 lb head weight is less than half that of the HEQ5 Pro's ~22 lb head, making the iOptron far easier to transport and set up without sacrificing capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign and Efficiency:\u003c\/strong\u003e The CEM26's Center-Balanced design provides excellent stability for its weight. While the HEQ5 has a slightly higher payload capacity at ~30 lbs, the CEM26's 26 lb rating is achieved on a much lighter and more compact frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Features:\u003c\/strong\u003e The CEM26 comes standard with built-in Wi-Fi for wireless control. The HEQ5 Pro requires an external Wi-Fi dongle for similar functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatitude Range:\u003c\/strong\u003e The CEM26's 0º to 60º range offers greater flexibility for observers at very low or high latitudes compared to the HEQ5's more conventional range.\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 the main advantage of the iOptron CEM26's Center-Balanced design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe main advantage is its high efficiency, delivering a \u003cstrong\u003e26 lb payload capacity\u003c\/strong\u003e on a mount head that weighs only \u003cstrong\u003e10 lbs\u003c\/strong\u003e. By centering the telescope's weight directly over the tripod, the CEM design increases stability, allowing for a lighter, more portable mount without compromising the performance needed for astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the iOptron CEM26 mount with my smartphone or tablet?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The iOptron CEM26 has \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e, allowing you to connect to the mount wirelessly. Using iOptron's Commander app or other compatible astronomy software like SkySafari, you can control the mount's GoTo functions, slewing, and tracking directly from your smart device.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would the iOptron CEM26 handle an 80mm refractor for imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe CEM26 is an excellent platform for this setup. A typical 80mm refractor imaging rig (including camera, guidescope, and accessories) weighs between 10-15 lbs, well within the mount's \u003cstrong\u003e26 lb capacity\u003c\/strong\u003e. The mount's low periodic error of \u003cstrong\u003e\u0026lt;±12 arcseconds\u003c\/strong\u003e and ST-4 autoguide port will ensure the sharp, round stars needed to capture the faint dust lanes of the Andromeda Galaxy (M31).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the iOptron CEM26 suitable for planetary imaging with a 6\" SCT on Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. A 6\" SCT is lightweight and well-supported by the CEM26. For planetary imaging, precise tracking at high magnification is key. The mount's high-resolution \u003cstrong\u003e0.17 arcsecond\u003c\/strong\u003e motor drive allows for very fine tracking adjustments, which is critical for keeping planets like Jupiter centered on a small sensor during high-frame-rate video capture.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the AccuAlign and iPolar options for the CEM26?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron CEM26 is available with two different polar alignment tools.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuAlign™:\u003c\/strong\u003e This is a traditional, dark-field illuminated optical polar scope that you look through to align the mount's axis with Polaris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiPolar™:\u003c\/strong\u003e This is an integrated electronic polar scope (a small camera) that connects to a computer. It provides a simple, highly accurate digital interface for polar alignment, even when Polaris is obscured.\u003c\/li\u003e\n\u003c\/ul\u003e\nThe iPolar is generally considered faster and more precise, especially for imagers.\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a computer to use the iOptron CEM26's GoTo system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The included \u003cstrong\u003eGo2Nova® 8409 hand controller\u003c\/strong\u003e is a fully functional, standalone computer with a database of \u003cstrong\u003e~212,000 objects\u003c\/strong\u003e. You can perform alignment, find objects, and control all mount functions using only the hand controller. A computer or smart device is optional for advanced control via the USB port or built-in Wi-Fi.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eCenter-Balanced Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload Capacity\u003c\/td\u003e\n\u003ctd\u003e26 lbs (12kg), excludes counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;±12 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermanent PEC\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e600 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Wheels\u003c\/td\u003e\n\u003ctd\u003eΦ88mm, 144 teeth aluminum (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxis Shafts\u003c\/td\u003e\n\u003ctd\u003eΦ35mm steel (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003eΦ55mm ball bearing (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Gears\u003c\/td\u003e\n\u003ctd\u003eΦ15.2mm, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003e1.8º stepper motor, 128X microdivision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Resolution\u003c\/td\u003e\n\u003ctd\u003e0.17 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8409\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003e~212,000 objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX (6º\/sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0º ~ 60º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Wi-Fi and USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC Control\u003c\/td\u003e\n\u003ctd\u003eYes (ASCOM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eAccuAlign TM optical polar scope (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eOptional external 32-channel GPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003e3.8\" Vixen-style, center adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ20 x 200mm with 120mm extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Counterweight\u003c\/td\u003e\n\u003ctd\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod Option\u003c\/td\u003e\n\u003ctd\u003eLiteRoc stainless steel tripod (7.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e12V DC, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5A (Tracking), 0.8A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Temperature\u003c\/td\u003e\n\u003ctd\u003e-10ºC ~ 40ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, Casting + CNC machined\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_CEM26_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"CEM26 w\/ AccuAlign, Case \u0026 LiteRoc","offer_id":44967925940509,"sku":"IOP-C262B3","price":2379.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ iPolar \u0026 1.5\" Tripod","offer_id":44967925711133,"sku":"IOP-C261A1","price":1957.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ AccuAlign \u0026 1.5\" Tripod","offer_id":44967925743901,"sku":"IOP-C261B1","price":1817.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ AccuAlign \u0026 LiteRoc","offer_id":44967925776669,"sku":"IOP-C261B3","price":2225.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967925809437,"sku":"IOP-C262A1","price":2027.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967925842205,"sku":"IOP-C262A3","price":2519.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ AccuAlign, Case \u0026 1.5\" Tripod","offer_id":44967925874973,"sku":"IOP-C262B1","price":1957.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26 w\/ iPolar \u0026 LiteRoc","offer_id":44967925907741,"sku":"IOP-C261A3","price":2379.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26EC w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967925973277,"sku":"IOP-C264A1","price":3833.0,"currency_code":"CAD","in_stock":true},{"title":"CEM26EC w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926006045,"sku":"IOP-C264A3","price":4437.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-CEM26__11447.1636831250.1280.1280.jpg?v=1684347086"},{"product_id":"ioptron-gem45-mount","title":"iOptron GEM45 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e45 lb (20 kg) payload on a 17.5 lb (7.9 kg) mount head\u003c\/li\u003e\n\u003cli\u003e\u0026lt;±7.5 arcsec PE with PPEC; \u0026lt;0.3 arcsec RMS on encoder-equipped EC versions\u003c\/li\u003e\n\u003cli\u003eΦ110mm, 216-tooth zero-backlash worm wheels on both axes\u003c\/li\u003e\n\u003cli\u003eGo2Nova controller with 212,000+ object database and built-in GPS\u003c\/li\u003e\n\u003cli\u003eInternal iPolar electronic polar scope on every version\u003c\/li\u003e\n\u003cli\u003eComplete LiteRoc tripod packages or head-only versions in a hard case\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\u003eiOptron GEM45 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron GEM45 mount delivers next-generation imaging stability with a 45 lb payload capacity from a mount head that weighs only 17.5 lbs, a class-leading 2.53 payload-to-weight ratio. Massive Φ110mm, 216-tooth zero-backlash worm wheels and a precision stepper motor drive deliver a native periodic error of less than ±7.5 arcseconds, while the encoder-equipped GEM45EC tightens that to less than 0.3 arcseconds RMS. Every version includes the internal iPolar electronic polar scope and a Go2Nova controller with a 212,000+ object database. The GEM45 is offered in several versions: complete packages with the 1.75\" LiteRoc tripod and counterweight (with options for a hard case, iGuider or a NUC-ready saddle), and head-only versions in a hard case for imagers who already own a tripod or pier.\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\u003e45 lb Payload on a 17.5 lb Mount Head\u003c\/h3\u003e\n\u003cp\u003eThe GEM45 achieves its 2.53 payload-to-weight ratio through an all-metal, CNC-machined structure and oversized core components. Both the Right Ascension and Declination axes are built around solid Φ45mm steel shafts and large Φ68mm bearings, providing the rigidity to carry heavy instrument packages without sacrificing stability. The 17.5 lb mount head is easy to transport to dark-sky sites, yet it supports imaging systems up to 45 lbs, from long refractors to 8\" and 9.25\" SCT or R-C setups with cameras and 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\u003e\u0026lt;±7.5 arcsec PE Standard, \u0026lt;0.3 arcsec RMS with the EC Encoder\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the GEM45's tracking system are two Φ110mm, 216-tooth brass worm wheels engineered for zero backlash. Driven through a synchronous belt by a 1.8° stepper motor with 128 micro-steps, the system achieves a resolution of 0.08 arcseconds. On the standard GEM45, this drivetrain delivers a native periodic error of less than ±7.5 arcseconds, which can be further reduced with Permanent Periodic Error Correction (PPEC) for smooth, tightly guided long exposures.\u003c\/p\u003e\n\u003cp\u003eGEM45EC versions add a high-resolution encoder and Real-time PEC (RPEC) that correct worm gear error as it happens, for a native tracking accuracy of less than 0.3 arcseconds RMS. This level of precision can eliminate the need for autoguiding on short-to-medium exposures, even with long focal length telescopes, and makes guiding smoother when you do use it.\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\u003eGo2Nova Controller with a 212,000+ Object Database\u003c\/h3\u003e\n\u003cp\u003eNavigating the night sky is managed by the Go2Nova® 8407+ hand controller, which contains a database of over 212,000 celestial objects on an 8-line LCD. Once aligned, the mount can slew to any target at up to 4.5° per second. An integrated GPS automatically inputs the correct time and location, and the ST-4 guiding port and USB communication port provide standard connectivity for autoguiding and computer control.\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\u003eIntegrated iPolar and 3A Power for Cable Management\u003c\/h3\u003e\n\u003cp\u003eThe GEM45 is designed to minimize setup time and potential cable snags. The built-in iPolar electronic polar scope provides fast, highly accurate polar alignment directly on your computer screen, even when Polaris is obstructed. An advanced cable management system offers a DC12V (3A) power port, a USB port and an ST-4 guide port near the dovetail saddle, so you can power cameras and accessories without loose wires hanging from the telescope. Power draw is only 0.6A while tracking, extending battery life on long nights at remote sites, and the mount operates from -10°C to 40°C.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Saddle Plate:\u003c\/strong\u003e The 6\" dual saddle accommodates both Losmandy-D and Vixen-style dovetail bars, so you can switch optical tubes without changing adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Zero Search:\u003c\/strong\u003e The mount automatically finds its mechanical zero position, which is critical for accurate GoTo performance and remote operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-Down Memory:\u003c\/strong\u003e If power is accidentally disconnected, the mount remembers its position and alignment, so you can resume your session without starting over.\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\u003eChoose Your GEM45 Version\u003c\/h3\u003e\n\u003cp\u003eAll versions share the same 45 lb payload, 17.5 lb mount head, internal iPolar, Go2Nova hand controller, counterweight shaft and AC adapter. They differ in tracking accuracy (standard or EC encoder), in whether a LiteRoc tripod and counterweight are included, and in accessories such as the hard case, iGuider or NUC-ready saddle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45 w\/ iPolar \u0026amp; LiteRoc:\u003c\/strong\u003e The essential imaging package with the 1.75\" LiteRoc stainless steel tripod and an 11 lb (5 kg) counterweight. No hard case is included in this version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45 w\/ iPolar, Case \u0026amp; LiteRoc:\u003c\/strong\u003e The same complete package plus a hard carrying case, the best all-round choice for imagers who travel to dark sites.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45 w\/ iPolar, iGuider, Case \u0026amp; LiteRoc:\u003c\/strong\u003e Adds the iGuider guiding camera built into the dovetail saddle, for autoguiding without mounting a separate guide scope and camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45 NUC-Ready and GEM45EC NUC-Ready (w\/ iPolar, Case \u0026amp; LiteRoc):\u003c\/strong\u003e A saddle ready to carry an Intel NUC mini computer at the front, with dedicated NUC power, LAN and USB connections in the cable management system. The NUC computer itself is not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45EC w\/ iPolar, Case \u0026amp; LiteRoc:\u003c\/strong\u003e The encoder version with \u0026lt;0.3 arcsec RMS tracking, for unguided imaging, scientific work such as photometry, or imagers who want the most precise tracking before adding a guider.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGEM45 Head Only and GEM45EC Head Only (w\/ iPolar \u0026amp; Case):\u003c\/strong\u003e The mount head, hand controller, counterweight shaft and AC adapter in a hard case. No tripod and no counterweight are included, making these ideal if you already own a LiteRoc tripod, a pier or suitable counterweights.\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\u003eiOptron GEM45 vs. CEM40: 45 lbs vs. 40 lbs and Two Mount Designs\u003c\/h3\u003e\n\u003cp\u003eThe GEM45 and its sibling, the CEM40, offer similar payload capacities but different design philosophies. The choice depends on your primary use case and telescope type.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron CEM40 Advantage:\u003c\/strong\u003e The center-balanced design places the telescope's center of gravity directly over the tripod, increasing stability for its weight. It also allows operation at very low latitudes without the counterweight shaft colliding with a tripod leg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron GEM45 Advantage:\u003c\/strong\u003e The classic German equatorial design is familiar and intuitive to balance, and it provides maximum clearance for long optical tubes such as refractors, so the back of the telescope will not strike the mount or a tripod leg near the meridian and zenith. The GEM45 also carries a slightly higher payload of 45 lbs compared to the CEM40's 40 lbs.\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 the difference between the GEM45 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same mount mechanics, \u003cstrong\u003e45 lb payload\u003c\/strong\u003e, internal iPolar and Go2Nova controller. The standard GEM45 has a native periodic error of \u003cstrong\u003e\u0026lt;±7.5 arcseconds\u003c\/strong\u003e with PPEC, while GEM45EC versions add a high-resolution encoder for \u003cstrong\u003e\u0026lt;0.3 arcseconds RMS\u003c\/strong\u003e. LiteRoc versions include the 1.75\" LiteRoc tripod and an 11 lb (5 kg) counterweight; Head Only versions include neither. Beyond that, versions add a hard case, the saddle-mounted iGuider guiding camera, or a NUC-ready saddle (NUC computer not included).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat do I need to buy separately with a GEM45 Head Only version?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe GEM45 Head Only and GEM45EC Head Only versions include the mount head with internal iPolar, Go2Nova 8407+ hand controller, counterweight shaft, AC adapter (100-240V) and a hard carrying case. \u003cstrong\u003eA tripod and counterweight are not included.\u003c\/strong\u003e To complete your setup, add a sturdy tripod or pier such as the iOptron LiteRoc 1.75\" and at least one counterweight sized to balance your telescope, plus a 12V DC battery pack if you image away from mains power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the practical imaging payload for the iOptron GEM45?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile the iOptron GEM45 has a maximum payload of \u003cstrong\u003e45 lbs\u003c\/strong\u003e, a common rule of thumb for long-exposure astrophotography is to stay between 50-60% of the maximum capacity. This suggests a comfortable imaging payload of around \u003cstrong\u003e22-27 lbs\u003c\/strong\u003e, which is ample for most refractor and 8\"-9.25\" SCT or R-C setups with cameras and guide scopes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the internal iPolar on the GEM45 simplify polar alignment?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eiPolar\u003c\/strong\u003e is an integrated electronic polar scope that looks through the right ascension axis. Instead of kneeling down at a traditional polar scope, you connect the mount to a computer via USB and iOptron's software plate-solves the stars near the celestial pole, showing you exactly how to adjust the altitude and azimuth bolts. You can achieve precise alignment in minutes, even if Polaris is not visible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the GEM45 handle an 8\" SCT for imaging the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. A typical 8\" Schmidt-Cassegrain Telescope (SCT) with a camera, guide scope, and other accessories weighs between 20-25 lbs, well within the \u003cstrong\u003e45 lb payload capacity\u003c\/strong\u003e of the GEM45. The standard mount's \u0026lt;±7.5 arcsecond tracking with PPEC, or the EC versions' \u0026lt;0.3 arcsecond RMS tracking, provides a stable platform for detailed long exposures of targets like M42.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need to autoguide the GEM45EC when imaging the Andromeda Galaxy (M31)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThanks to its \u003cstrong\u003e\u0026lt;0.3 arcsecond RMS tracking accuracy\u003c\/strong\u003e, the GEM45EC allows excellent unguided exposures of several minutes, depending on your focal length and polar alignment accuracy. For capturing the faint outer arms of M31 with very long exposures (5-10 minutes or more), autoguiding is still recommended to correct for atmospheric refraction and residual drift, but guiding will be much smoother and require fewer corrections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the GEM45 NUC-Ready version include a computer?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The \u003cstrong\u003eGEM45 NUC-Ready\u003c\/strong\u003e and \u003cstrong\u003eGEM45EC NUC-Ready\u003c\/strong\u003e versions are designed to carry an Intel NUC mini computer at the front of the dovetail saddle, with dedicated NUC power, LAN and USB connections routed through the mount's cable management system. \u003cstrong\u003eThe NUC computer is not included\u003c\/strong\u003e and must be purchased separately. Both NUC-Ready versions include the LiteRoc tripod, counterweight and hard case.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eGerman Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Payload\u003c\/td\u003e\n\u003ctd\u003e45 lbs (20 kg), excluding counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e17.5 lbs (7.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2.53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior Finish\u003c\/td\u003e\n\u003ctd\u003eAnodized red\/black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e14° ~ 68°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Accuracy (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ±7.5 arcsec (GEM45); \u0026lt; 0.3 arcsec RMS with encoder (GEM45EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction\u003c\/td\u003e\n\u003ctd\u003ePPEC (GEM45); Real-time PEC (RPEC) (GEM45EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003eHigh-resolution encoder (GEM45EC versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e400 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ110mm, 216 teeth, zero backlash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ110mm, 216 teeth, zero backlash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Diameter\u003c\/td\u003e\n\u003ctd\u003eΦ17mm, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Axis Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ45mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Axis Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ45mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Bearings\u003c\/td\u003e\n\u003ctd\u003eΦ68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ28 x 280 mm, Stainless Steel (1.2 kg), included with all versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003e1 x 11 lbs (5 kg) (LiteRoc versions); not included (Head Only versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003ePrecision stepper motor, 1.8°\/128X micro-step\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Resolution\u003c\/td\u003e\n\u003ctd\u003e0.08 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8407+ HC, 8 line 21 character LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStar Database\u003c\/td\u003e\n\u003ctd\u003e212,000+ objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speed\u003c\/td\u003e\n\u003ctd\u003eMax 4.5°\/sec (1080X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A (5.5mm\/2.5mm plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 0.9A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded AC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-down Memory\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eInternal iPolar™ electronic polar scope (all versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeridian Treatment\u003c\/td\u003e\n\u003ctd\u003eStop (0-20° pass), flip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Position\u003c\/td\u003e\n\u003ctd\u003eAutomatic zero search\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003e6\" Losmandy-D \u0026amp; Vixen dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding Port\u003c\/td\u003e\n\u003ctd\u003eST-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding Camera\u003c\/td\u003e\n\u003ctd\u003eiGuider built into the dovetail saddle (iGuider version only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPS\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003eExternal (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management Ports\u003c\/td\u003e\n\u003ctd\u003eDC12V (3A), ST4, USB; NUC-Ready versions add dedicated NUC power, LAN and USB connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNUC Computer\u003c\/td\u003e\n\u003ctd\u003eNot included (NUC-Ready versions accept an Intel NUC at the front of the saddle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e1.75\" LiteRoc Stainless Steel (~8 kg) (LiteRoc versions); not included (Head Only versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard Case\u003c\/td\u003e\n\u003ctd\u003eIncluded with all versions except GEM45 w\/ iPolar \u0026amp; LiteRoc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C ~ 40°C\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\"\u003eGEM45 or GEM45EC Mount Head with Internal iPolar\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\"\u003eGo2Nova® 8407+ 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\"\u003eCounterweight Shaft\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\"\u003eAC Adapter (100-240V)\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 (5 kg) Counterweight\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (LiteRoc versions)\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\"\u003e1.75\" LiteRoc Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (LiteRoc versions)\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\"\u003eHard Carrying Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Case versions)\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\"\u003eiGuider Guiding Camera (built into saddle)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iGuider version)\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_GEM45_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"GEM45 w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926169885,"sku":"IOP-7603A-HC","price":4129.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45 w\/ iPolar \u0026 LiteRoc","offer_id":44967926104349,"sku":"IOP-7603A","price":4003.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45 w\/ iPolar, iGuider, Case \u0026 LiteRoc","offer_id":44967926137117,"sku":"IOP-7603AG","price":4297.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45 NUC-Ready w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926202653,"sku":"IOP-7603AN","price":4129.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45 Head Only w\/ iPolar \u0026 Case","offer_id":52917263728925,"sku":"IOP-7620A-HC","price":3695.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45EC w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926235421,"sku":"IOP-7603ECA","price":6229.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45EC NUC-Ready w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926268189,"sku":"IOP-7603ECAN","price":6229.0,"currency_code":"CAD","in_stock":true},{"title":"GEM45EC Head Only w\/ iPolar \u0026 Case","offer_id":52917263761693,"sku":"IOP-7620ECA","price":5809.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-GEM45__25746.1636831866.1280.1280.jpg?v=1684347088"},{"product_id":"ioptron-gem28-mount","title":"iOptron GEM28 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e28 lbs (12.7 kg) instrument payload capacity\u003c\/li\u003e\n\u003cli\u003e10 lbs (4.5 kg) mount head weight\u003c\/li\u003e\n\u003cli\u003ePayload-to-weight ratio of 2.80\u003c\/li\u003e\n\u003cli\u003eGo2Nova® 8409 controller with ~212,000 object database\u003c\/li\u003e\n\u003cli\u003eIntegrated Wi-Fi and USB for computer control\u003c\/li\u003e\n\u003cli\u003eST-4 compatible autoguiding port\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\u003eiOptron GEM28 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron GEM28 Mount delivers an exceptional payload capacity of 28 lbs on a mount head that weighs a mere 10 lbs, achieving a payload-to-weight ratio of 2.80 for unmatched portability. Its 1.8º stepper motors provide a drive resolution of 0.17 arc-seconds for precise tracking, while the Go2Nova® 8409 hand controller puts a database of ~212,000 celestial objects at your fingertips with a maximum slew speed of 6º per second.\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 2.80 Payload-to-Weight Ratio: 28 lbs on a 10 lb Frame\u003c\/h3\u003e\n\u003cp\u003eThe core design philosophy of the GEM28 is to maximize imaging capability while minimizing weight. The all-metal, CNC-machined structure houses robust Φ35mm steel axis shafts and large Φ55mm ball bearings, providing the rigidity needed to support a 28 lb payload without compromising stability. This class-leading 2.80 payload-to-weight ratio means you can carry a larger optical tube to a dark sky site without being burdened by an excessively heavy mount.\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\u003e144-Tooth Worm Gears and PPEC: Tracking Below ±12 Arcseconds\u003c\/h3\u003e\n\u003cp\u003eAccurate tracking is driven by a synchronous belt transmission system connected to large, Φ88mm 144-tooth aluminum worm wheels on both axes. This system delivers smooth motion with a native periodic error of less than ±12 arcseconds. For imagers, the mount's Permanent Periodic Error Correction (PPEC) records and corrects the fundamental error of the worm gear, significantly improving unguided tracking and making autoguiding more precise.\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\u003eIntegrated Wi-Fi and USB: Full ASCOM Control Out of the Box\u003c\/h3\u003e\n\u003cp\u003eThe GEM28 is built for the modern astrophotographer with both built-in Wi-Fi and a standard USB port. This allows for direct connection and control from a PC, laptop, or smart device without requiring extra adapters. Full ASCOM compatibility ensures seamless integration with popular imaging software suites, while a dedicated ST-4 autoguide port provides the connection needed for high-precision, long-exposure deep-sky 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\u003eiOptron GEM28 vs. Celestron Advanced VX: The Portability Advantage\u003c\/h3\u003e\n\u003cp\u003eWhile the Celestron Advanced VX (AVX) is a respected workhorse with a slightly higher 30 lb payload, the iOptron GEM28 holds a decisive advantage in portability and modern features.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Weight:\u003c\/strong\u003e The GEM28's head weighs only 10 lbs, a significant reduction compared to the AVX's 17 lbs. This makes the GEM28 far easier to transport and set up in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePayload Ratio:\u003c\/strong\u003e With a 2.80 payload-to-weight ratio, the GEM28 is engineered for efficiency, carrying more instrument weight per pound of mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e The GEM28 includes built-in Wi-Fi as a standard feature, offering wireless control that typically requires an optional accessory on competing mounts.\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 the real-world imaging payload of the iOptron GEM28?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron GEM28 has a stated payload of \u003cstrong\u003e28 lbs (12.7 kg)\u003c\/strong\u003e. For astrophotography, a common rule is to stay at 50-60% of the visual payload. However, due to its rigid design, many users successfully image with setups weighing up to 18-20 lbs, provided the telescope is well-balanced and protected from wind.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the iOptron GEM28 have built-in Wi-Fi for control?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the iOptron GEM28 features \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e. This allows you to control the mount wirelessly using software on your smartphone, tablet, or computer, eliminating the need for a separate Wi-Fi dongle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does Permanent PEC (PPEC) do on the iOptron GEM28?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003ePermanent Periodic Error Correction (PPEC)\u003c\/strong\u003e is a feature that analyzes and records the inherent mechanical errors in the mount's worm gear. Once recorded, the GEM28's firmware constantly applies corrections to counteract this error, resulting in smoother, more accurate tracking. This is particularly beneficial for unguided imaging or to improve the performance of an autoguider.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the iOptron GEM28 handle an 8\" SCT like a Celestron C8 for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A typical 8\" SCT optical tube weighs around 12-13 lbs, which is well within the 28 lb payload capacity of the iOptron GEM28. However, an SCT has a long focal length, which magnifies any tracking errors. For successful long-exposure imaging of targets like Jupiter or the Orion Nebula (M42), using an autoguider through the mount's \u003cstrong\u003eST-4 port\u003c\/strong\u003e is highly recommended for the sharpest results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the iOptron GEM28 a good choice for a portable setup with a wide-field refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron GEM28 is an excellent choice for this application. Its low \u003cstrong\u003e10 lb mount head weight\u003c\/strong\u003e and high payload capacity make it ideal for a \"grab-and-go\" imaging rig. Paired with a compact refractor, you can easily transport the entire setup to a dark sky location to capture large targets like the Andromeda Galaxy (M31) or the North America Nebula (NGC 7000).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat's the difference between the iPolar and AccuAlign options for the iOptron GEM28?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThese are two different systems for polar alignment available with the iOptron GEM28.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuAlign\u003csup\u003eTM\u003c\/sup\u003e:\u003c\/strong\u003e This is a traditional optical polar scope built into the mount's RA axis. It features a dark-field illuminated reticle that you align with Polaris (in the Northern Hemisphere) to achieve polar alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiPolar\u003csup\u003eTM\u003c\/sup\u003e:\u003c\/strong\u003e This is an integrated electronic polar scope (a small camera) that connects to a PC. It provides a live view of the sky near the pole and guides you through a simple software routine to achieve a highly accurate alignment, even if Polaris is not visible.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eGerman Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload Capacity\u003c\/td\u003e\n\u003ctd\u003e28 lbs (12.7kg), excluding counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e2.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, Casting + CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;±12 arcsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction (PEC)\u003c\/td\u003e\n\u003ctd\u003eYes, Permanent PEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Wheels (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003ctd\u003eΦ88mm, 144 teeth, aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxis Shafts (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003ctd\u003eΦ35mm steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings (RA \u0026amp; Dec)\u003c\/td\u003e\n\u003ctd\u003eΦ55mm ball bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Gears\u003c\/td\u003e\n\u003ctd\u003eΦ15.2mm, Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003e1.8º stepper motor, 128X microdivision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Resolution\u003c\/td\u003e\n\u003ctd\u003e0.17 arc seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8409\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003e~212,000 objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX (6º\/sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e10º ~ 70º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eAccuAlign TM optical polar scope (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003e3.8\" Vixen-style, center adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003e10 lbs (4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ20 x 200mm, Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft Extension\u003c\/td\u003e\n\u003ctd\u003eΦ20 x 120mm, Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eLiteRoc heavy-duty stainless steel tripod (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Wi-Fi and USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePC Control\u003c\/td\u003e\n\u003ctd\u003eYes (ASCOM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003e12V DC, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 0.9A (GOTO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrying Case\u003c\/td\u003e\n\u003ctd\u003eIncluded (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10ºC ~ 40ºC\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_GEM28_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Telescope Mount Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"GEM28 w\/ AccuAlign, Case \u0026 LiteRoc","offer_id":44967926694173,"sku":"IOP-G282B3","price":2449.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ iPolar \u0026 1.5\" Tripod","offer_id":44967926464797,"sku":"IOP-G281A1","price":2027.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ iPolar \u0026 LiteRoc","offer_id":44967926497565,"sku":"IOP-G281A3","price":2449.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ AccuAlign \u0026 1.5\" Tripod","offer_id":44967926530333,"sku":"IOP-G281B1","price":1887.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ AccuAlign \u0026 LiteRoc","offer_id":44967926563101,"sku":"IOP-G281B3","price":2295.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967926595869,"sku":"IOP-G282A1","price":2153.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926628637,"sku":"IOP-G282A3","price":2589.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28 w\/ AccuAlign, Case \u0026 1.5\" Tripod","offer_id":44967926661405,"sku":"IOP-G282B1","price":2027.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28EC w\/ iPolar, Case \u0026 1.5\" Tripod","offer_id":44967926726941,"sku":"IOP-G284A1","price":3903.0,"currency_code":"CAD","in_stock":true},{"title":"GEM28EC w\/ iPolar, Case \u0026 LiteRoc","offer_id":44967926759709,"sku":"IOP-G284A3","price":4521.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-GEM28__07036.1636832397.1280.1280.jpg?v=1684347090"},{"product_id":"ioptron-hem27-mount","title":"iOptron HEM27 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHybrid drive: StrainWave 17 RA gear (480:1) with backlash-free worm\/belt DEC\u003c\/li\u003e\n\u003cli\u003e29.74 lbs (13.5 kg) payload without counterweights, 44 lbs (20 kg) with optional counterweight\u003c\/li\u003e\n\u003cli\u003e8.15 lbs (3.7 kg) mount head for a 3.65 payload-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eGo2Nova® 8409 controller with ~212,000 objects and built-in Wi-Fi\u003c\/li\u003e\n\u003cli\u003eHigh-precision RA encoder with Realtime PEC (EC versions)\u003c\/li\u003e\n\u003cli\u003eAvailable with internal iPolar electronic polar scope, or in a 0–22° latitude version\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\u003eiOptron HEM27 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HEM27 Mount uses a StrainWave 17 gear on its right ascension axis to carry a 29.74 lbs payload without a counterweight, all from a mount head that weighs just 8.15 lbs. That 3.65 payload-to-weight ratio makes it one of the most portable ways to carry a serious imaging rig, and the Go2Nova® 8409 hand controller, ~212,000-object database, 6º\/sec slew speed and built-in Wi-Fi make it ready for modern, computer-driven sessions. The HEM27 is offered in several versions: the standard HEM27, the HEM27EC with a high-precision RA encoder for Realtime PEC, each with or without the internal iPolar electronic polar scope, plus a HEM27 version configured for 0–22° latitudes.\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\u003eStrainWave 17 Hybrid Drive: 480:1 Reduction and Zero Backlash\u003c\/h3\u003e\n\u003cp\u003eEvery HEM27 pairs a high-torque StrainWave gear on the critical right ascension axis with a backlash-free worm\/belt system on the declination axis. The StrainWave gear eliminates the traditional RA worm, delivering zero backlash and smooth, consistent tracking with a 360-second native period, while its 480:1 reduction ratio gives the stepper motor precise control. Putting harmonic-drive technology where tracking matters most, and a lighter system on DEC, is what keeps the mount so compact without compromising performance for imaging, visual or solar observing.\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\u003e3.65 Payload-to-Weight Ratio: 29.74 lbs Capacity in an 8.15 lbs Body\u003c\/h3\u003e\n\u003cp\u003eThe HEM27 head weighs only 8.15 lbs (3.7 kg) with its dual Vixen\/Losmandy saddle, yet carries up to 29.74 lbs (13.5 kg) of telescope and camera without a counterweight or shaft. That turns a full imaging setup into a true grab-and-go kit that is fast to deploy and light enough for travel. When your system grows, adding the optional counterweight shaft and 10 lbs counterweight raises the total payload capacity to 44 lbs (20 kg).\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\u003eEC Versions: High-Precision RA Encoder with Realtime PEC\u003c\/h3\u003e\n\u003cp\u003eThe \"EC\" in HEM27EC stands for the high-precision encoder built into the RA drive. It provides constant, high-resolution feedback on the axis position, enabling Realtime Periodic Error Correction. Non-EC versions use traditional PEC, where the mount records its periodic error and plays the correction back; that works well, but it cannot account for non-repeating errors or instantaneous deviations.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother tracking:\u003c\/strong\u003e Realtime PEC corrects gear imperfections on the fly instead of replaying a recorded curve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter data:\u003c\/strong\u003e Tighter star shapes and longer sub-exposures, especially under high-resolution imaging conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLess guiding effort:\u003c\/strong\u003e Reduced workload on your autoguider and more room for unguided exposures.\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\u003eChoose Your HEM27 Version\u003c\/h3\u003e\n\u003cp\u003eAll HEM27 versions share the same StrainWave 17 hybrid drive, 29.74 lbs counterweight-free payload, Go2Nova® 8409 controller and built-in Wi-Fi. They differ in tracking correction, polar alignment and latitude range. The HEM27 has no optical polar scope, so plan your polar alignment method when choosing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM27 Mount:\u003c\/strong\u003e The core hybrid mount with traditional recorded PEC. A great fit for autoguided imaging, visual and solar observing, or if you already have an electronic polar alignment solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM27 Mount w\/ iPolar:\u003c\/strong\u003e Adds iOptron's internal iPolar electronic polar scope for fast, screen-based polar alignment with ~30 arcsec precision from a Windows PC. The most straightforward path to precise polar alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM27EC Mount:\u003c\/strong\u003e Adds the high-precision RA encoder for Realtime PEC, for imagers who want the best tracking accuracy and already have their own polar alignment method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM27EC Mount w\/ iPolar:\u003c\/strong\u003e The complete package: RA encoder with Realtime PEC plus the internal iPolar, for demanding long-exposure and high-resolution astrophotography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM27 Mount Low-Latitude (0-22°):\u003c\/strong\u003e A version of the HEM27 configured for observing sites at 0–22° latitude. The other versions adjust from 15º to 65º, so choose this one if you observe from a site below 15° latitude.\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\u003eGo2Nova Control and Cable Management: 212,000 Objects, Wi-Fi and 2 x 12V Outputs\u003c\/h3\u003e\n\u003cp\u003eThe Go2Nova® 8409 hand controller gives you GoTo access to approximately 212,000 celestial objects at slew speeds up to 6º\/sec. Built-in Wi-Fi lets you command the mount from a smartphone, tablet or PC using iOptron Commander or ASCOM-compatible applications like N.I.N.A., TheSkyX or Sequence Generator Pro, with a USB port for wired control and an ST-4 compatible autoguide port. An integrated cable management system provides two 12V DC outputs (4A max) and a USB 2.0 port on the saddle plate to power cameras and dew heaters without snag-prone cables, and an electronic friction brake engages when power is cut to protect your equipment from unexpected movement.\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\u003eiOptron HEM27 vs. GEM28: StrainWave vs. Traditional German Equatorial\u003c\/h3\u003e\n\u003cp\u003eThe HEM27 represents a different design philosophy compared to iOptron's traditional center-balanced equatorial mounts like the GEM28.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCounterweights:\u003c\/strong\u003e The GEM28 requires counterweights to balance any payload, adding weight and setup time. The HEM27 handles up to 29.74 lbs without any counterweights, making it faster to deploy and significantly lighter for travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklash and Periodic Error:\u003c\/strong\u003e The GEM28 uses a worm-and-wheel system, which inherently has some backlash and periodic error that may require autoguiding to correct. The HEM27's StrainWave gear is backlash-free by design, and the EC versions add Realtime PEC on top.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolar Alignment:\u003c\/strong\u003e The GEM28 often includes an integrated optical polar scope, while the HEM27 has none. That is why the HEM27 is offered with the internal iPolar electronic polar scope, the recommended choice for precise astrophotography alignment.\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 the difference between the HEM27 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same StrainWave hybrid drive, \u003cstrong\u003e29.74 lbs (13.5 kg)\u003c\/strong\u003e counterweight-free payload and Go2Nova® 8409 controller. The \u003cstrong\u003eHEM27EC\u003c\/strong\u003e adds a high-precision RA encoder for \u003cstrong\u003eRealtime PEC\u003c\/strong\u003e, while the standard HEM27 uses traditional recorded PEC. Versions labelled \u003cstrong\u003ew\/ iPolar\u003c\/strong\u003e include the internal iPolar electronic polar scope. The \u003cstrong\u003eLow-Latitude\u003c\/strong\u003e version is configured for sites at \u003cstrong\u003e0–22°\u003c\/strong\u003e latitude, whereas the other versions adjust from \u003cstrong\u003e15º to 65º\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the iOptron HEM27 require counterweights?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot for most setups. The iOptron HEM27 carries up to \u003cstrong\u003e29.74 lbs (13.5 kg)\u003c\/strong\u003e without any counterweights. For a heavier instrument, adding the optional counterweight shaft and a 10 lbs counterweight increases the total capacity to \u003cstrong\u003e44 lbs (20 kg)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is a StrainWave gear system on the iOptron HEM27?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA StrainWave (or harmonic) gear uses a flexible, cup-shaped component to achieve a very high reduction ratio, \u003cstrong\u003e480:1\u003c\/strong\u003e on the HEM27's RA axis, in a compact space. Its main advantage for astronomy is the complete elimination of backlash, giving smoother and more accurate tracking than traditional worm gears. The DEC axis uses a backlash-free worm\/belt system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I polar align the iOptron HEM27 for astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HEM27 does not have an optical polar scope. The iPolar versions include iOptron's internal iPolar electronic polar scope, which connects to a \u003cstrong\u003e64-bit Windows\u003c\/strong\u003e PC via USB 2.0 and guides you to an alignment with \u003cstrong\u003e~30 arcsec\u003c\/strong\u003e precision. It can even plate-solve the star field near the pole when Polaris itself is blocked. With the other versions, use your own electronic polar alignment method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the HEM27EC's RA encoder improve astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe encoder enables \u003cstrong\u003eRealtime PEC\u003c\/strong\u003e: the mount continuously measures and corrects its own tracking errors instead of replaying a recorded error curve. For imagers, this means rounder stars, longer sub-exposures and less reliance on aggressive autoguiding corrections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I control the iOptron HEM27 mount with my computer or smartphone?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Every HEM27 version has \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e, so you can control it wirelessly from a smartphone, tablet or computer using iOptron Commander or ASCOM-compatible applications like N.I.N.A., TheSkyX or Sequence Generator Pro. No external Wi-Fi dongle is required, and a USB port is available for a wired connection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the iOptron HEM27 a good choice for imaging Jupiter with a Celestron C8 SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A typical Celestron C8 weighs around 13 lbs, well under the \u003cstrong\u003e29.74 lbs\u003c\/strong\u003e counterweight-free payload capacity. The backlash-free tracking and \u003cstrong\u003e6º\/sec\u003c\/strong\u003e slew speed make it easy to locate Jupiter and keep it centered for high-magnification planetary imaging, and the EC versions' Realtime PEC helps hold longer focal lengths steady.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eHybrid Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Gear System\u003c\/td\u003e\n\u003ctd\u003eStrainWave 17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Gear System\u003c\/td\u003e\n\u003ctd\u003eBacklash-free worm\/belt system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Reduction Ratio\u003c\/td\u003e\n\u003ctd\u003e480:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (No Counterweight)\u003c\/td\u003e\n\u003ctd\u003e29.74 lbs (13.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (With Counterweight)\u003c\/td\u003e\n\u003ctd\u003e44 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e7.49 lbs (3.4 kg) w\/o saddle, 8.15 lbs (3.7 kg) with saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNative Period\u003c\/td\u003e\n\u003ctd\u003e360 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision Encoder\u003c\/td\u003e\n\u003ctd\u003eYes, RA axis (EC versions); none (non-EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction (PEC)\u003c\/td\u003e\n\u003ctd\u003eRealtime PEC (EC versions); recorded PEC playback (non-EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExterior Finish\u003c\/td\u003e\n\u003ctd\u003eAnodized black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen \u0026amp; Losmandy dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e15º ~ 65º (all other versions); 0º ~ 22º (Low-Latitude version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 5º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGoToNova® \/ Commander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8409 with ~212,000 objects database\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Slew Speed\u003c\/td\u003e\n\u003ctd\u003e6º\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A (5.5mm\/2.5mm plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5A (Tracking), 1A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Wi-Fi\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eWi-Fi and USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management\u003c\/td\u003e\n\u003ctd\u003e2 x 12V DC Out (4A max), 1 x USB 2.0 Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Polar Scope\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectronic Polar Scope\u003c\/td\u003e\n\u003ctd\u003eInternal iPolar, ~30 arcsec precision (iPolar versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight \u0026amp; Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20ºC ~ 40ºC\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\"\u003eHEM27 Mount Head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (non-EC versions)\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\"\u003eHEM27EC Mount Head with RA Encoder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (EC versions)\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 \u0026amp; Losmandy Dual Dovetail Saddle\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\"\u003eGo2Nova® 8409 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\"\u003eInternal iPolar Electronic Polar Scope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iPolar versions)\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:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_iPolar_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 iPolar 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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"HEM27 Mount","offer_id":44967997473053,"sku":"IOP-H272","price":2855.0,"currency_code":"CAD","in_stock":true},{"title":"HEM27 Mount w\/ iPolar","offer_id":44967997505821,"sku":"IOP-H272A","price":3079.0,"currency_code":"CAD","in_stock":true},{"title":"HEM27EC Mount","offer_id":52917264154909,"sku":"IOP-H274","price":4759.0,"currency_code":"CAD","in_stock":true},{"title":"HEM27EC Mount w\/ iPolar","offer_id":44967997538589,"sku":"IOP-H274A","price":4983.0,"currency_code":"CAD","in_stock":true},{"title":"HEM27 Mount Low-Latitude (0-22°)","offer_id":44995918561565,"sku":"IOP-H272AL","price":2797.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-HEM27-Mount__56181.1652734596.1280.1280.jpg?v=1684347804"},{"product_id":"ioptron-skyhunter-eq-az-mount","title":"iOptron SkyHunter EQ\/AZ Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eSupports a 7 lb (3.2 kg) balanced payload on a 2.9 lb (1.3 kg) mount head\u003c\/li\u003e\n\u003cli\u003eDual-axis DC servo motors with optical encoders and Φ77 mm, 144-tooth worm wheels\u003c\/li\u003e\n\u003cli\u003eGoTo in Alt-Azimuth mode, plus polar-aligned equatorial tracking with the EQ or Precision AZ\/EQ base (EQ\/AZ versions)\u003c\/li\u003e\n\u003cli\u003eInternal rechargeable Li-Poly battery provides up to 10 hours of operation\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi for smartphone or tablet control, USB port for ASCOM and firmware upgrades\u003c\/li\u003e\n\u003cli\u003eAvailable with iPolar electronic polar scope, and as Mount Only or Tripod Kit packages\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\u003eiOptron SkyHunter EQ\/AZ Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron SkyHunter EQ\/AZ Mount integrates a full dual-axis GoTo system into an exceptionally compact 2.9 lb body that supports a 7 lb (3.2 kg) imaging payload. Its internal rechargeable Li-Poly battery delivers up to 10 hours of continuous tracking, while DC servo motors driving Φ77 mm, 144-tooth worm wheels slew at up to 4.5° per second to locate objects across the sky. The SkyHunter is offered in several versions: an AZ version for alt-azimuth GoTo, EQ\/AZ versions with an equatorial base, and EQ\/AZ versions with the iPolar electronic polar scope or iPolar plus a Precision AZ\/EQ base, each available as a Mount Only package or a complete Tripod Kit.\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 7 lb Payload Capacity in a 2.9 lb GoTo Mount\u003c\/h3\u003e\n\u003cp\u003eEngineered for portability, the SkyHunter mount head weighs just 2.9 lbs with its battery installed, yet its metal frame securely carries small telescopes or camera and lens combinations up to 7 lbs when balanced with the 3 lb counterweight included in every package. This high payload-to-weight ratio makes it the ideal foundation for a travel astrophotography setup, fitting easily into a backpack for trips to dark-sky sites without sacrificing GoTo capability. A DSLR or mirrorless camera with a 200mm to 300mm lens, or a compact 60-70mm refractor, is right at home on the Vixen-type saddle.\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\u003eGoTo Pointing and Tracking with Φ77 mm, 144-Tooth Worm Gears\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the SkyHunter's tracking system are Φ77 mm, 144-tooth worm wheels on both axes, driven through a synchronous belt transmission by DC servo motors with optical encoders. This architecture minimizes backlash and delivers the smooth, consistent motion needed for long-exposure astrophotography, with a 600-second worm period and a maximum slew speed of 4.5°\/sec (1080X) for moving quickly between targets.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCelestial:\u003c\/strong\u003e The standard sidereal rate for stars, nebulae and galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2 Celestial:\u003c\/strong\u003e Half-speed tracking for nightscapes, keeping stars tight while limiting blur in the foreground landscape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar and Lunar:\u003c\/strong\u003e Matched rates that keep the Sun (with a proper solar filter) and the Moon centered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eN\/S:\u003c\/strong\u003e Full operation in both the Northern and Southern Hemispheres.\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\u003eChoose Your SkyHunter Version\u003c\/h3\u003e\n\u003cp\u003eEvery SkyHunter version uses the same 2.9 lb GoTo mount head with built-in Wi-Fi, internal battery, stainless steel counterweight shaft and 3 lb counterweight. The versions differ in the base used for polar alignment, whether the iPolar electronic polar scope is included, and whether a tripod comes in the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkyHunter AZ:\u003c\/strong\u003e The mount head without a polar-alignment base, set up directly on a tripod for alt-azimuth GoTo. Ideal for grab-and-go visual observing of the Moon and planets and for terrestrial viewing; the optional EQ base converts it for equatorial imaging later.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkyHunter EQ\/AZ:\u003c\/strong\u003e Adds the EQ base with a 0º to 80º latitude range and ±5º azimuth adjustment, so the same mount switches between quick alt-azimuth sessions and polar-aligned equatorial tracking for long-exposure astrophotography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkyHunter EQ\/AZ w\/ iPolar:\u003c\/strong\u003e The EQ\/AZ package plus the iPolar electronic polar scope, which replaces peering through an optical scope with an on-screen alignment routine that works even when Polaris is obstructed. The best choice for imagers who want fast, repeatable setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkyHunter EQ\/AZ w\/ iPolar \u0026amp; Precision Base:\u003c\/strong\u003e Pairs the iPolar with the Precision AZ\/EQ base in place of the standard EQ base, extending the altitude range to 0º to 90º with fine ±5º azimuth control for the most precise polar alignment at any site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Only or Tripod Kit:\u003c\/strong\u003e Mount Only packages suit owners who already have a sturdy tripod with a 3\/8” connection. Tripod Kits add the #3221 stainless steel tripod and #8041 pier extension (Φ80x190 mm) for a complete, field-ready system.\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\u003eHybrid EQ\/AZ Operation with 0º to 90º Polar Alignment Bases\u003c\/h3\u003e\n\u003cp\u003eThe SkyHunter operates as both a German Equatorial (EQ) mount and a simple Alt-Azimuth (AZ) mount. For quick visual sessions, AZ mode offers intuitive setup with no polar alignment. For serious astrophotography, the EQ base (0º to 80º) or Precision AZ\/EQ base (0º to 90º) tilts the mount to the celestial pole, enabling single-axis tracking that prevents field rotation during long exposures. Both bases provide ±5º of fine azimuth adjustment, so the final correction is made with the base rather than by nudging tripod legs.\u003c\/p\u003e\n\u003cp\u003eOn iPolar versions, alignment is even faster: a small internal camera plate-solves the stars near the celestial pole and the iPolar software on your computer shows exactly how to adjust altitude and azimuth. There is no crouching at an eyepiece, and a precise alignment takes just minutes.\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\u003eUntethered Operation: 10-Hour Battery and Built-in Wi-Fi\u003c\/h3\u003e\n\u003cp\u003eA rechargeable Li-Poly battery is built directly into the mount, providing up to 10 hours of power at 20ºC for a full night of imaging without external power tanks or cable clutter. It recharges through the MiniUSB (5V) port from a wall adapter or portable power bank. Combined with built-in Wi-Fi, you can control GoTo slewing, tracking and settings from a smartphone or tablet using iOptron Commander Lite or SkySafari, or connect the ZWO ASIAIR over Wi-Fi.\u003c\/p\u003e\n\u003cp\u003eFor advanced imaging, the SkyHunter is ASCOM compatible via its USB port, allowing autoguiding and sequencing from software such as N.I.N.A. or Sequence Generator Pro. If you prefer physical buttons, the optional 8410 hand controller is available, and firmware can be upgraded through the USB port.\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\u003eSkyHunter vs. Star Adventurer GTi: Weight, Payload and Integration\u003c\/h3\u003e\n\u003cp\u003eThe SkyHunter's closest competitor is the Sky-Watcher Star Adventurer GTi. The choice comes down to absolute portability versus payload headroom.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSky-Watcher Star Adventurer GTi Advantage:\u003c\/strong\u003e The GTi offers a higher 11 lb (5 kg) payload capacity, making it a better choice for heavier telephoto lenses or slightly larger refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiOptron SkyHunter Advantage:\u003c\/strong\u003e The SkyHunter head weighs just 2.9 lbs compared to the GTi's 5.7 lbs, a significant difference when hiking or flying. It also integrates a 10-hour rechargeable battery, where the GTi relies on 8 AA batteries or external 12V DC power, and it can be ordered with the iPolar electronic polar scope instead of an optical polar scope.\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 the difference between the SkyHunter versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEvery version shares the same \u003cstrong\u003e2.9 lb GoTo mount head\u003c\/strong\u003e with a 7 lb payload, Wi-Fi, internal battery, counterweight shaft and 3 lb counterweight. The \u003cstrong\u003eAZ\u003c\/strong\u003e versions include no polar-alignment base and are intended for alt-azimuth use. The \u003cstrong\u003eEQ\/AZ\u003c\/strong\u003e versions add the EQ base (\u003cstrong\u003e0º to 80º\u003c\/strong\u003e latitude), the \u003cstrong\u003ew\/ iPolar\u003c\/strong\u003e versions add the iPolar electronic polar scope, and the \u003cstrong\u003ew\/ iPolar \u0026amp; Precision Base\u003c\/strong\u003e versions combine iPolar with the Precision AZ\/EQ base (\u003cstrong\u003e0º to 90º\u003c\/strong\u003e). Each configuration comes as Mount Only or as a Tripod Kit with the #3221 stainless steel tripod and #8041 pier extension.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of telescope works best with the iOptron SkyHunter mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe SkyHunter is designed for small, lightweight instruments. It excels with wide-field refractors (60-70mm class), camera lenses up to 300mm, and compact Maksutov-Cassegrains, as long as the total payload remains under its \u003cstrong\u003e7 lb (3.2 kg) capacity\u003c\/strong\u003e. It is not suitable for larger telescopes such as 8\" SCTs or 80mm+ refractors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the SkyHunter AZ version for deep-sky astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIn alt-azimuth mode the mount tracks on two axes, which introduces field rotation in long exposures, so the AZ version is best suited to visual observing, the Moon and planets, and terrestrial viewing. The optional \u003cstrong\u003eEQ base\u003c\/strong\u003e (0º to 80º latitude, ±5º azimuth) converts the SkyHunter into a polar-aligned equatorial mount for long exposures. The EQ\/AZ versions include a base from the start.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the iPolar make polar alignment easier?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eiPolar\u003c\/strong\u003e, included with the iPolar versions, is an electronic polar scope that uses a small internal camera to plate-solve the stars near the celestial pole. Instead of kneeling to look through a small optical scope, you connect the mount to a computer via USB and follow the on-screen instructions to adjust altitude and azimuth. It is faster, more accurate and far more comfortable than traditional methods, especially when Polaris is not visible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the SkyHunter need an external power source?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The SkyHunter has an \u003cstrong\u003einternal 3.7V rechargeable Li-Poly battery\u003c\/strong\u003e that provides up to \u003cstrong\u003e10 hours\u003c\/strong\u003e of operation at 20ºC and recharges via a standard 5V MiniUSB connection. The mount is rated for \u003cstrong\u003e-10ºC to 40ºC\u003c\/strong\u003e; like all lithium-polymer batteries, runtime is reduced in colder temperatures, so a USB power bank is a useful backup on winter nights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the iOptron SkyHunter mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary method is the \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e, using a smartphone, tablet or computer with apps such as iOptron Commander Lite or SkySafari, and it can join a ZWO ASIAIR workflow. It is also compatible with the optional \u003cstrong\u003eiOptron 8410 hand controller\u003c\/strong\u003e. For advanced imaging, connect a PC via USB and use the \u003cstrong\u003eASCOM platform\u003c\/strong\u003e with software such as N.I.N.A. or Sequence Generator Pro.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I image the Andromeda Galaxy (M31) with a 200mm camera lens on the SkyHunter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAbsolutely. A DSLR or mirrorless camera with a 200mm lens is well within the \u003cstrong\u003e7 lb payload\u003c\/strong\u003e. Operated in EQ mode on the EQ or Precision AZ\/EQ base and properly polar aligned, the 144-tooth worm wheels and servo motors track M31 precisely enough for detailed multi-minute exposures that reveal its dust lanes and outer arms.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eUltracompact GoTo EQ\/AZ mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (Max)\u003c\/td\u003e\n\u003ctd\u003e7 lbs (3.2kg), balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e2.9 lbs (1.3kg) with battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eMetal frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Drive\u003c\/td\u003e\n\u003ctd\u003eDual-axis DC servo motor with optical encoder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission\u003c\/td\u003e\n\u003ctd\u003eSynchronous belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA\/DEC Worm Wheel\u003c\/td\u003e\n\u003ctd\u003eΦ77 mm, 144 teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorm Period\u003c\/td\u003e\n\u003ctd\u003e600 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking Speed\u003c\/td\u003e\n\u003ctd\u003eSolar, Lunar, Celestial, 1\/2 Celestial, N\/S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speed (Max)\u003c\/td\u003e\n\u003ctd\u003e4.5°\/sec (1080X)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eiPolar electronic polar scope (iPolar versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Alignment Base\u003c\/td\u003e\n\u003ctd\u003eEQ base (EQ\/AZ and EQ\/AZ w\/ iPolar versions); Precision AZ\/EQ base (Precision Base versions); no base (AZ versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAltitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0º ~ 80º (EQ base); 0º ~ 90º (Precision AZ\/EQ base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e±5º (EQ base and Precision AZ\/EQ base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen-type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eΦ20mm x 200mm, 3\/8\" thread, stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003e3 lbs (1.3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Base Connection\u003c\/td\u003e\n\u003ctd\u003eVixen dovetail, 3\/8” socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003e#3221 stainless steel tripod with #8041 pier extension, Φ80x190 mm (Tripod Kit versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Source\u003c\/td\u003e\n\u003ctd\u003eInternal rechargeable battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLi-Poly, 3.7V, 2000mAh (4600mAh listed for Precision Base versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eUp to 10 hours at 20ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Charge Port\u003c\/td\u003e\n\u003ctd\u003eMiniUSB (5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Wi-Fi and USB Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eOptional 8410 Hand Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguiding\u003c\/td\u003e\n\u003ctd\u003eASCOM compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgrade\u003c\/td\u003e\n\u003ctd\u003eYes (via USB port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10ºC ~ 40ºC\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\"\u003eSkyHunter GoTo EQ\/AZ 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\"\u003eStainless Steel Counterweight Shaft\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\"\u003e3 lb (1.3 kg) 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\"\u003eMiniUSB Charging 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\"\u003eEQ Base (0º ~ 80º)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (EQ\/AZ and EQ\/AZ w\/ iPolar versions)\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\"\u003ePrecision AZ\/EQ Base (0º ~ 90º)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Precision Base versions)\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\"\u003eiPolar Electronic Polar Scope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iPolar versions)\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\"\u003e#3221 Stainless Steel Tripod\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Tripod Kit versions)\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\"\u003e#8041 Pier Extension\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Tripod Kit versions)\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_SkyHunter_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_iPolar_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 iPolar 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.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"SkyHunter EQ\/AZ - Tripod Kit","offer_id":44968007336221,"sku":"IOP-SHEQ","price":781.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter EQ\/AZ w\/ iPolar - Tripod Kit","offer_id":44968007368989,"sku":"IOP-SHEQA","price":1089.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter EQ\/AZ w\/ iPolar \u0026 Precision Base - Tripod Kit","offer_id":52917265039645,"sku":"IOP-SHEQAP","price":1285.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter AZ - Tripod Kit","offer_id":44968007303453,"sku":"IOP-SHAZ","price":683.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter EQ\/AZ - Mount Only","offer_id":49943704961309,"sku":"IOP-3700EQ","price":599.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter EQ\/AZ w\/ iPolar - Mount Only","offer_id":49943704994077,"sku":"IOP-3700EQA","price":907.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter EQ\/AZ w\/ iPolar \u0026 Precision Base - Mount Only","offer_id":52917265072413,"sku":"IOP-3700EQAP","price":1103.0,"currency_code":"CAD","in_stock":true},{"title":"SkyHunter AZ - Mount Only","offer_id":52917265105181,"sku":"IOP-3700AZ","price":501.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-SkyHunter-EQ-AZ-iPolar__23361.1652798498.1280.1280.jpg?v=1684347772"},{"product_id":"ioptron-hem44-mount","title":"iOptron HEM44 Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e44 lbs (20 kg) payload without counterweights, 55 lbs (25 kg) with optional counterweight\u003c\/li\u003e\n\u003cli\u003e13.65 lbs (6.2 kg) mount head for a 3.23 payload-to-weight ratio\u003c\/li\u003e\n\u003cli\u003eHybrid drive: StrainWave RA gear (640:1) with backlash-free worm\/belt DEC\u003c\/li\u003e\n\u003cli\u003eGo2Nova® 8409 controller with ~212,000 objects and built-in Wi-Fi\u003c\/li\u003e\n\u003cli\u003eHigh-precision RA encoder with Realtime PEC (EC versions)\u003c\/li\u003e\n\u003cli\u003eAvailable with internal iPolar electronic polar scope (iPolar versions)\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\u003eiOptron HEM44 Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HEM44 Mount redefines portable astrophotography by delivering a 44 lbs (20 kg) instrument capacity in a mount head that weighs only 13.65 lbs (6.2 kg). This remarkable 3.23 payload-to-weight ratio comes from a hybrid drive that pairs a high-precision StrainWave gear on the right ascension axis with a backlash-free worm\/belt system on the declination axis. The Go2Nova® 8409 controller puts ~212,000 celestial objects at your fingertips, and built-in Wi-Fi enables full remote control of your imaging session. The HEM44 is offered in several versions: the standard HEM44 and the HEM44EC with a high-precision RA encoder for Realtime PEC, each available with or without the internal iPolar electronic polar scope.\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\u003eHybrid StrainWave Drive: A 44 lbs Payload on a 13.65 lbs Mount\u003c\/h3\u003e\n\u003cp\u003eThe core of every HEM44 is its hybrid drive. The RA axis uses a StrainWave gear with a 640:1 reduction ratio and a 270-second period, delivering the zero-backlash response and high torque that precise long-exposure tracking demands. The DEC axis uses a backlash-free worm\/belt system for smooth slewing and guiding corrections without the cost and weight of a second harmonic drive. For payloads up to 44 lbs, you can run the HEM44 completely counterweight-free, dramatically reducing what you carry into the field. For larger setups, the optional counterweight shaft and 10 lbs counterweight raise the capacity to 55 lbs (25 kg).\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\u003eEC Versions: High-Precision RA Encoder and Realtime PEC\u003c\/h3\u003e\n\u003cp\u003eThe HEM44EC adds a high-precision encoder on the RA axis that constantly monitors the mount's position. This feedback loop enables Realtime PEC (Periodic Error Correction), which actively corrects the drive's minute mechanical variations as they happen, before they become visible in an image.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRounder stars:\u003c\/strong\u003e Smoother, more accurate raw tracking than the standard HEM44, crucial for high-resolution imaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLess guiding effort:\u003c\/strong\u003e Reduced reliance on aggressive autoguiding corrections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnguided potential:\u003c\/strong\u003e High-quality unguided exposures become practical with a well-aligned mount and a short-to-medium focal length telescope.\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\u003eChoose Your HEM44 Version\u003c\/h3\u003e\n\u003cp\u003eAll HEM44 versions share the same hybrid StrainWave drive, 44 lbs counterweight-free payload, 13.65 lbs head, Go2Nova® 8409 controller and built-in Wi-Fi. They differ in two ways: whether the RA axis has a high-precision encoder, and whether the internal iPolar electronic polar scope is included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM44 Mount:\u003c\/strong\u003e The core hybrid mount. An excellent choice for visual observers and imagers who autoguide, or who already have an electronic polar alignment solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM44 Mount w\/ iPolar:\u003c\/strong\u003e Adds iOptron's internal iPolar electronic polar scope for fast, screen-based polar alignment with ~30 arcsec precision from a Windows PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM44EC Mount:\u003c\/strong\u003e Adds the high-precision RA encoder for Realtime PEC, for imagers who want the highest tracking accuracy and already have their own polar alignment method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM44EC Mount w\/ iPolar:\u003c\/strong\u003e The complete package: RA encoder with Realtime PEC plus the internal iPolar, for dedicated astrophotographers chasing unguided or high-resolution imaging.\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\u003eGo2Nova Control and Field-Ready Design: 212,000 Objects, Wi-Fi and 2 x 12V Power\u003c\/h3\u003e\n\u003cp\u003eThe proven Go2Nova® 8409 hand controller features a database of ~212,000 objects and a maximum slew speed of 4.5º\/sec. Built-in Wi-Fi connects the HEM44 to planetarium and session management software on your PC, tablet or smartphone, while a USB port and an ST-4 compatible autoguide port handle wired control, firmware updates and guide cameras.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic Friction Brake:\u003c\/strong\u003e Locks the axes when power is cut, so your telescope cannot swing unexpectedly during setup or a power loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-Down Memory:\u003c\/strong\u003e The mount remembers its position and alignment after a power loss, so you can resume without starting over.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Cable Management:\u003c\/strong\u003e Two 12V DC outputs (3A max) and one USB 2.0 port near the saddle reduce cable snags as the mount tracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Saddle:\u003c\/strong\u003e The Vixen and Losmandy-style dovetail saddle accepts nearly any telescope optical tube.\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\u003eHEM44 vs. Traditional GEMs: The StrainWave Advantage\u003c\/h3\u003e\n\u003cp\u003eStrainWave technology represents a significant shift from traditional German equatorial mount (GEM) designs. While a conventional worm-gear GEM offers a familiar platform for experienced imagers, the HEM44 offers a compelling alternative focused on portability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraditional GEM Advantage:\u003c\/strong\u003e Many imagers are accustomed to the behavior of worm-gear systems, whose periodic error is well understood and easily managed with autoguiding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHEM44 Advantage:\u003c\/strong\u003e The exceptional payload-to-weight ratio. A conventional GEM carrying 44 lbs needs a heavier head and heavy counterweights, while the HEM44's 13.65 lbs head runs counterweight-free for most setups, making it vastly easier to transport to remote dark-sky sites. The EC versions add Realtime PEC for tracking accuracy on top.\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 the difference between the HEM44 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same hybrid StrainWave drive, \u003cstrong\u003e44 lbs (20 kg)\u003c\/strong\u003e counterweight-free payload and Go2Nova® 8409 controller. The \u003cstrong\u003eHEM44EC\u003c\/strong\u003e adds a high-precision RA encoder that enables \u003cstrong\u003eRealtime PEC\u003c\/strong\u003e for smoother, more accurate tracking than the standard HEM44. Versions labelled \u003cstrong\u003ew\/ iPolar\u003c\/strong\u003e also include the internal iPolar electronic polar scope for \u003cstrong\u003e~30 arcsec\u003c\/strong\u003e polar alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main benefit of the HEM44's hybrid strain wave design?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAn extremely high payload-to-weight ratio of \u003cstrong\u003e3.23\u003c\/strong\u003e. The iOptron HEM44 head weighs only \u003cstrong\u003e13.65 lbs\u003c\/strong\u003e but carries a \u003cstrong\u003e44 lbs\u003c\/strong\u003e telescope without counterweights. The StrainWave gear on RA provides zero-backlash, high-torque tracking, while the backlash-free worm\/belt DEC axis keeps cost and weight down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need counterweights for the iOptron HEM44 mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor payloads up to \u003cstrong\u003e44 lbs (20 kg)\u003c\/strong\u003e, the HEM44 does not require a counterweight or shaft. If your payload exceeds this, add the optional counterweight shaft (Φ20x200mm, M16 thread) and a 10 lbs counterweight to increase the maximum capacity to \u003cstrong\u003e55 lbs (25 kg)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I polar align the iOptron HEM44?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iPolar versions include iOptron's internal iPolar electronic polar scope. It connects to a \u003cstrong\u003e64-bit Windows\u003c\/strong\u003e PC via USB 2.0 and guides you on screen to an alignment with \u003cstrong\u003e~30 arcsec\u003c\/strong\u003e precision, and it can plate-solve the star field near the pole even when Polaris is blocked by trees or buildings. With the other versions, use your own electronic polar alignment method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the iOptron HEM44EC be used for unguided astrophotography?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, the EC versions are designed with unguided imaging in mind. The zero-backlash StrainWave drive combined with \u003cstrong\u003eRealtime PEC\u003c\/strong\u003e from the high-precision RA encoder can make unguided exposures of several minutes possible with a well-aligned mount and a short-to-medium focal length telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the iOptron HEM44 remotely?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEvery HEM44 version has \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e, so you can connect and control it wirelessly from a computer, tablet or smartphone using compatible planetarium or imaging software. The \u003cstrong\u003eGo2Nova® 8409\u003c\/strong\u003e hand controller provides full GoTo control in the field and has a USB port for a direct, wired connection to a PC.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the iOptron HEM44 handle an 8\" SCT for imaging nebulae like the Orion Nebula (M42)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A typical 8\" Schmidt-Cassegrain weighs between \u003cstrong\u003e12-15 lbs\u003c\/strong\u003e, well under the HEM44's \u003cstrong\u003e44 lbs\u003c\/strong\u003e counterweight-free capacity. That leaves plenty of room for a camera, guide scope and accessories, making it an excellent portable platform for deep-sky 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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eHybrid Strain Wave Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Gear System\u003c\/td\u003e\n\u003ctd\u003eStrainWave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Gear System\u003c\/td\u003e\n\u003ctd\u003eBacklash-free worm\/belt system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Reduction Ratio\u003c\/td\u003e\n\u003ctd\u003e640:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (No Counterweight)\u003c\/td\u003e\n\u003ctd\u003e44 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (With Counterweight)\u003c\/td\u003e\n\u003ctd\u003e55 lbs (25 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e13 lbs (5.9 kg) w\/o saddle, 13.65 lbs (6.2 kg) with saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Period\u003c\/td\u003e\n\u003ctd\u003e270 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision Encoder\u003c\/td\u003e\n\u003ctd\u003eYes, RA axis (EC versions); none (non-EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error Correction (PEC)\u003c\/td\u003e\n\u003ctd\u003eRealtime PEC via RA encoder (EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eAnodized black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e15º ~ 65º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen \u0026amp; Losmandy dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGoToNova® \/ Commander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8409\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eObject Database\u003c\/td\u003e\n\u003ctd\u003e~212,000 objects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Slew Speed\u003c\/td\u003e\n\u003ctd\u003e4.5º\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A (5.5\/2.5mm plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 1.2A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Down Memory\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Wi-Fi\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eWi-Fi and USB (via Hand Controller)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Management\u003c\/td\u003e\n\u003ctd\u003e2 x 12V (3A max), 1 x USB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectronic Polar Scope\u003c\/td\u003e\n\u003ctd\u003eInternal iPolar, ~30 arcsec precision (iPolar versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation Temperature\u003c\/td\u003e\n\u003ctd\u003e-20ºC ~ 40ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional (Φ20x200mm, M16 thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003eOptional (10 lbs \/ 4.5 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\"\u003eHEM44 Mount Head\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (non-EC versions)\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\"\u003eHEM44EC Mount Head with RA Encoder\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (EC versions)\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\"\u003eGo2Nova® 8409 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\"\u003eAC Power Adapter (100-240V)\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 Controller 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\"\u003eUSB 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\"\u003eInternal iPolar Electronic Polar Scope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (iPolar versions)\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:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_iPolar_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 iPolar 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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"HEM44 Mount","offer_id":44968061370653,"sku":"IOP-H442","price":4087.0,"currency_code":"CAD","in_stock":true},{"title":"HEM44 Mount w\/ iPolar","offer_id":44968061403421,"sku":"IOP-H442A","price":4311.0,"currency_code":"CAD","in_stock":true},{"title":"HEM44EC Mount","offer_id":52917264679197,"sku":"IOP-H444","price":6159.0,"currency_code":"CAD","in_stock":true},{"title":"HEM44EC Mount w\/ iPolar","offer_id":44968061436189,"sku":"IOP-H444A","price":6383.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/products\/iOptron-HEM44-Mount__87208.1667498696.1280.1280.jpg?v=1684348521"},{"product_id":"ioptron-hae69-dual-az-eq-swg-mount","title":"iOptron HAE69 Dual AZ\/EQ SWG Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e69 lbs (31 kg) payload without counterweights; 79 lbs (36 kg) with optional counterweight\u003c\/li\u003e\n\u003cli\u003eMount head under 20 lbs: 19.8 lbs (9 kg) HAE69C\/HAE69B, 19 lbs (8.6 kg) original HAE69\u003c\/li\u003e\n\u003cli\u003eZero-backlash 800:1 strain wave gears in both RA and DEC\u003c\/li\u003e\n\u003cli\u003eDual Alt-Azimuth\/Equatorial modes with 0° to 90° latitude range\u003c\/li\u003e\n\u003cli\u003eElectronic friction brake locks both axes when power is off\u003c\/li\u003e\n\u003cli\u003eHigh-precision RA encoder with real-time PEC (EC versions); onboard iMate computer (HAE69B versions)\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\u003eiOptron HAE69 Dual AZ\/EQ SWG Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HAE69 Dual AZ\/EQ SWG Mount uses 800:1 strain wave gears on both axes to carry a 69 lb (31 kg) payload without a single counterweight, on a mount head that weighs less than 20 lbs. It operates in both Alt-Azimuth and Equatorial modes across a full 0° to 90° latitude range, slews at up to 4.5°\/sec, and locks its axes with an electronic friction brake whenever power is cut. The HAE69 is offered in several versions: the current HAE69C with built-in Wi-Fi and on-saddle ports, the HAE69B with an integrated iMate computer running KStars\/Ekos, EC versions of both with a high-precision RA encoder, and the original-generation HAE69 controlled through its included Go2Nova® hand controller, available as the HAE69, HAE69 w\/ iPolar and HAE69EC w\/ iPolar.\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\u003e69 lbs of Payload on a Sub-20 lb Head: The 800:1 Strain Wave Advantage\u003c\/h3\u003e\n\u003cp\u003eEvery HAE69 is built around strain wave gears in both RA and DEC with an 800:1 reduction ratio. This compact, high-torque drive carries up to 69 lbs (31 kg) of telescope and imaging train with no counterweight or shaft, on an all-metal, CNC-machined head that weighs 19.8 lbs (9 kg) with saddle on the HAE69C and HAE69B, and 19 lbs (8.6 kg) on the original HAE69: a payload-to-weight ratio of more than 3.5:1. For oversized instrument packages, the optional 10 lb (4.5 kg) counterweight and Φ20×200mm shaft raise capacity to 79 lbs (36 kg). Strain wave gears have zero backlash, so the mount responds instantly to guide corrections, and the non-encoder versions track with a periodic error of less than ±15 arcseconds over a 270-second period.\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 AZ\/EQ Modes, 0° to 90° Latitude and an Electronic Power-Off Brake\u003c\/h3\u003e\n\u003cp\u003eRun the HAE69 in Alt-Azimuth mode for fast, no-alignment visual sessions and outreach, or switch to Equatorial mode for polar-aligned, long-exposure astrophotography without field rotation. The 0° to 90° latitude range lets you polar align anywhere from the equator to the poles, and ±8° of azimuth adjustment makes fine alignment quick. Because strain wave gears can be back-driven, every version has an electronic friction brake that engages automatically when power is turned off or lost, so a heavy OTA can never swing freely. The Vixen\/Losmandy dual saddle accepts both dovetail styles, the 152mm mounting base fits optional tripods and piers, and the iPolar electronic polar scope (included with the original iPolar versions, optional for the others) makes polar alignment fast and accurate.\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-Precision RA Encoder: Real-Time PEC for Unguided Imaging (EC Versions)\u003c\/h3\u003e\n\u003cp\u003eThe HAE69C-EC, HAE69B-EC w\/ iMate and original HAE69EC w\/ iPolar add a high-precision encoder on the RA axis. It feeds real-time position data to the motor controller, which continuously corrects tracking deviations with real-time periodic error correction (RPEC) across the 270-second gear period. For imagers, that means tighter guiding, consistently rounder stars and, depending on focal length and polar alignment accuracy, unguided sub-exposures of several minutes. For the most demanding long-focal-length work, every HAE69 version still includes an ST-4 compatible autoguide port.\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\u003eChoose Your HAE69 Version\u003c\/h3\u003e\n\u003cp\u003eAll HAE69 versions share the same 800:1 strain wave drive, 69 lb (31 kg) counterweight-free payload, 0° to 90° AZ\/EQ design and electronic friction brake. They differ in how the mount is controlled, which ports it provides, whether the RA encoder is fitted and, for the original generation, what comes in the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69C:\u003c\/strong\u003e The streamlined current model. Its main board has built-in Wi-Fi plus USB-C on the mount base, and the dovetail saddle adds a DC 12V output and a USB-C port so accessories can be powered and connected right at the telescope. No handset is required: control it from a PC via ASCOM or INDI, or wirelessly from a phone or tablet (Go2Nova® 8411 OLED handset optional). Ideal if you already run your own laptop or mini-PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69C-EC:\u003c\/strong\u003e The HAE69C with the high-precision RA encoder and real-time PEC, for imagers who want the best tracking accuracy and longer unguided exposures from a lightweight rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69B w\/ iMate:\u003c\/strong\u003e Adds the iMate, an open-source onboard computer with Wi-Fi, preloaded with KStars\/Ekos and iPolarServer. It replaces the laptop or mini-PC at the scope and supplies 1× USB 3.0, 2× USB 2.0 and 3× 12V DC outputs on the mount for your cameras, focuser and filter wheel. iOptron lists the same 19.8 lb (9 kg) head weight and 69 lb payload as the HAE69C, so the computer comes built in without costing payload.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69B-EC w\/ iMate:\u003c\/strong\u003e The iMate computer plus the high-precision RA encoder: a self-contained imaging platform that plate solves, schedules and tracks with real-time PEC without any external computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69 (Original):\u003c\/strong\u003e The first-generation HAE69 with a 19 lb (8.6 kg) head and periodic error of less than ±15 arcsec. It is controlled through the included Go2Nova® 8409 hand controller with a ~212,000-object database, which also provides built-in Wi-Fi, while a USB port handles computer control and firmware upgrades; power-down position memory is standard. It has neither the HAE69C's on-saddle ports nor the HAE69B's iMate computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69 w\/ iPolar (Original):\u003c\/strong\u003e The original HAE69 with the external iPolar electronic polar scope included for fast, accurate polar alignment from a PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE69EC w\/ iPolar (Original):\u003c\/strong\u003e The original HAE69 with the high-precision RA encoder and real-time PEC, plus the included iPolar electronic polar scope.\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\u003eHAE69 vs. iOptron CEM70 and Other 70 lb-Class GEMs\u003c\/h3\u003e\n\u003cp\u003eConventional German equatorial mounts in the 70 lb payload class are proven platforms, often with a lower entry cost and a familiar design. The HAE69's strain wave drive changes how much you have to carry and set up.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight \u0026amp; Portability:\u003c\/strong\u003e iOptron's own CEM70 carries a similar payload on a 30 lb head and needs counterweights to balance it, and 70 lb-class GEMs typically call for 30-50 lbs of counterweights plus a shaft. The HAE69 handles 69 lbs on a head under 20 lbs with no counterweights at all.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e With nothing to balance, assembly is faster and physically far less demanding, which means more time imaging and less time wrestling heavy components in the dark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive System:\u003c\/strong\u003e The CEM70 uses a well-regarded belt\/worm drive. The HAE69's strain wave gears offer zero backlash, and rely on the RA encoder (EC versions) or autoguiding for optimal tracking accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Control:\u003c\/strong\u003e The HAE69B's onboard iMate computer replaces the mini-PC, USB hub and power distribution box a traditional mount needs for the same level of integration.\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 the difference between the HAE69 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same \u003cstrong\u003e800:1 strain wave gears\u003c\/strong\u003e, \u003cstrong\u003e69 lb (31 kg)\u003c\/strong\u003e counterweight-free payload and 0° to 90° AZ\/EQ design. The \u003cstrong\u003eHAE69C\u003c\/strong\u003e has built-in Wi-Fi, USB-C and a DC 12V output plus USB-C port on the saddle, and needs no handset. The \u003cstrong\u003eHAE69B w\/ iMate\u003c\/strong\u003e adds an onboard computer running KStars\/Ekos with \u003cstrong\u003e1× USB 3.0, 2× USB 2.0 and 3× 12V DC outputs\u003c\/strong\u003e. \u003cstrong\u003eEC\u003c\/strong\u003e versions add a high-precision RA encoder with real-time PEC. The \u003cstrong\u003eoriginal HAE69\u003c\/strong\u003e versions have a 19 lb (8.6 kg) head and are controlled via the included Go2Nova® 8409 hand controller; the iPolar versions include the iPolar electronic polar scope, and the HAE69EC w\/ iPolar also adds the RA encoder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need counterweights for the HAE69?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Every HAE69 version carries payloads up to \u003cstrong\u003e69 lbs (31 kg)\u003c\/strong\u003e without counterweights. For very large or off-balance instrument packages, the optional 10 lb (4.5 kg) counterweight and shaft increase maximum capacity to \u003cstrong\u003e79 lbs (36 kg)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"EC\" mean in the HAE69C-EC, HAE69B-EC and HAE69EC?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEC stands for \u003cstrong\u003eEncoder\u003c\/strong\u003e. These versions add a \u003cstrong\u003ehigh-precision encoder on the RA axis\u003c\/strong\u003e that feeds real-time position data to the drive, enabling real-time periodic error correction. Tracking is significantly more accurate than the non-EC versions' \u003cstrong\u003e\u0026lt; ±15 arcsec\u003c\/strong\u003e periodic error, making unguided exposures of several minutes possible depending on focal length and polar alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the iMate computer on the HAE69B do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iMate is an open-source computer with Wi-Fi built into the mount, preloaded with \u003cstrong\u003eKStars\/Ekos\u003c\/strong\u003e and iPolarServer. It replaces a separate laptop or mini-PC at the telescope and provides \u003cstrong\u003eone USB 3.0 port, two USB 2.0 ports and three 12V DC outputs\u003c\/strong\u003e, so you can power and control your camera, focuser and filter wheel with short cables and run the whole session remotely. The HAE69C and original HAE69 versions do not include the iMate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the HAE69's electronic brake work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhen the mount is powered on, the brake is disengaged. If power is turned off or lost, the \u003cstrong\u003eelectronic friction brake\u003c\/strong\u003e engages automatically and locks both axes. This prevents the telescope from swinging freely, which could otherwise happen because strain wave gears can be back-driven.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the HAE69 handle a Celestron C11 for imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEasily. A C11 optical tube weighs around \u003cstrong\u003e27.5 lbs\u003c\/strong\u003e, well under the \u003cstrong\u003e69 lb\u003c\/strong\u003e counterweight-free capacity, leaving plenty of room for a guide scope, camera, filter wheel and other accessories. The \u003cstrong\u003e4.5°\/sec\u003c\/strong\u003e maximum slew speed quickly centers planets for high-magnification video, and EQ mode provides long-exposure tracking for deep-sky targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat power supply does the HAE69 need in the field?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE69C and HAE69B versions require \u003cstrong\u003eDC 12V, 6A\u003c\/strong\u003e through a 5.5mm\/2.1mm plug and draw about 1A while tracking and 1.6A during GoTo. The original HAE69 versions ship with a 12V\/5A adapter. The included AC adapters are for indoor use only, so in the field use a portable 12V DC battery pack or power tank rated for the mount: at least \u003cstrong\u003e6 amps\u003c\/strong\u003e for the HAE69C and HAE69B.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Altazimuth\/Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear System\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Gear (RA \u0026amp; DEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003eRA 800:1, DEC 800:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Period\u003c\/td\u003e\n\u003ctd\u003e270 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (Counterweight-Free)\u003c\/td\u003e\n\u003ctd\u003e69 lbs (31 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (with Counterweight)\u003c\/td\u003e\n\u003ctd\u003e79 lbs (36 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Head Weight\u003c\/td\u003e\n\u003ctd\u003e19.8 lbs (9 kg) with dovetail saddle (HAE69C and HAE69B versions); 19 lbs (8.6 kg) with dovetail saddle (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; ± 15 arcsec (non-EC versions); real-time PEC via RA encoder (EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision Encoder\u003c\/td\u003e\n\u003ctd\u003eYes, RA axis (HAE69C-EC, HAE69B-EC w\/ iMate, HAE69EC w\/ iPolar); none on other versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Slew Speed\u003c\/td\u003e\n\u003ctd\u003e4.5º\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0° to 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGOTONOVA\/Commander (HAE69C versions); GOTONOVA\/Commander\/iMate (HAE69B versions); Go2Nova® 8409 hand controller (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8411 w\/OLED display, optional (HAE69C and HAE69B versions); Go2Nova® 8409 with ~212,000-object database, included (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Computer\u003c\/td\u003e\n\u003ctd\u003eiMate (open source, with Wi-Fi, preloaded KStars\/Ekos and iPolarServer) (HAE69B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eiMate Ports\u003c\/td\u003e\n\u003ctd\u003e1x USB 3.0, 2x USB 2.0, 3x DC 12V outputs (HAE69B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-Saddle Ports\u003c\/td\u003e\n\u003ctd\u003eDC 12V output, USB-C port (HAE69C versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eUSB and built-in Wi-Fi (HAE69C versions); iMate and USB (HAE69B versions); USB and Wi-Fi via hand controller (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eST-4 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 6A (5.5\/2.1mm plug) (HAE69C and HAE69B versions); DC 12V, 5A adapter output (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1A (Tracking), 1.6A (GoTo) (HAE69C and HAE69B versions); 0.6A (Tracking), 1.6A (GoTo) (Original HAE69 versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen\/Losmandy dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eiPolar electronic polar scope: included (HAE69 w\/ iPolar, HAE69EC w\/ iPolar); optional (all other versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Base Diameter\u003c\/td\u003e\n\u003ctd\u003e152mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined, anodized black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional (SS Φ20X200mm, 3\/8\"-16 thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003eOptional (10 lbs \/ 4.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20ºC ~ 45ºC (HAE69C versions); -20ºC ~ 40ºC (HAE69B and Original HAE69 versions; original hand controller -10ºC ~ 40ºC)\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\"\u003eHAE69 Mount Head (selected version)\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\"\u003eAC Adapter (100V-240V, indoor use only)\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\"\u003eCarrying Case\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\"\u003eUSB-C Cable (computer connection \u0026amp; firmware upgrade)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (HAE69C and HAE69B versions)\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\"\u003eUSB Cable (computer connection \u0026amp; firmware upgrade)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eGo2Nova® 8409 Hand Controller\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eCoiled Control Cable (RJ11 to RJ11)\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eiPolar Electronic Polar Scope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original iPolar versions)\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\"\u003eMini-USB Cable for iPolar\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original iPolar versions)\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_HAE_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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"HAE69C","offer_id":52917268283677,"sku":"IOP-HE692C","price":6481.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69C-EC","offer_id":52917268316445,"sku":"IOP-HE694C","price":8189.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69B w\/ iMate","offer_id":52917268349213,"sku":"IOP-HE692B","price":6817.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69B-EC w\/ iMate","offer_id":52917268381981,"sku":"IOP-HE694B","price":8525.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69 (Original)","offer_id":44988004663581,"sku":"IOP-HE692","price":5387.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69 w\/ iPolar (Original)","offer_id":44988004696349,"sku":"IOP-HE693","price":5597.0,"currency_code":"CAD","in_stock":true},{"title":"HAE69EC w\/ iPolar (Original)","offer_id":44988004729117,"sku":"IOP-HE694","price":7557.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/IOP-HAE69.jpg?v=1684606566"},{"product_id":"hae29-dual-az-eq-swg-mount","title":"iOptron HAE29 Dual AZ\/EQ SWG Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eZero-backlash strain wave gears in RA (480:1) and DEC (360:1)\u003c\/li\u003e\n\u003cli\u003e29.7 lbs (13.5 kg) payload without counterweights (29 lbs \/ 13 kg on HAE29B versions); 40 lbs (18 kg) with optional counterweight\u003c\/li\u003e\n\u003cli\u003eUltra-portable head: 8.15 lbs (3.7 kg) HAE29C and original HAE29, 8.6 lbs (3.9 kg) HAE29B w\/ iMate\u003c\/li\u003e\n\u003cli\u003eDual Alt-Azimuth\/Equatorial modes with 0° to 90° latitude range\u003c\/li\u003e\n\u003cli\u003eElectronic friction brake locks both axes when power is off\u003c\/li\u003e\n\u003cli\u003eHigh-precision RA encoder with real-time PEC (EC versions); onboard iMate computer with KStars\/Ekos (HAE29B versions)\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\u003eiOptron HAE29 Dual AZ\/EQ SWG Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HAE29 Dual AZ\/EQ SWG Mount puts strain wave gears on both axes to carry up to 29.7 lbs (13.5 kg) of telescope and camera without a counterweight, on a mount head that weighs just 8.15 lbs (3.7 kg). It works in both Alt-Azimuth and Equatorial modes from 0° to 90° latitude, slews at 6°\/sec and locks its axes with an electronic friction brake whenever power is cut, making it one of the most capable grab-and-go mounts for travel astrophotography and quick visual sessions. The HAE29 is offered in several versions: the current HAE29C with built-in Wi-Fi and USB-C, the HAE29B with an integrated iMate computer running KStars\/Ekos, EC versions of both with a high-precision RA encoder, and the original-generation HAE29, HAE29 w\/ iPolar and HAE29EC w\/ iPolar, controlled through an included Go2Nova® hand controller.\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\u003e29.7 lbs of Payload on an 8.15 lb Head: The Strain Wave Advantage\u003c\/h3\u003e\n\u003cp\u003eEvery HAE29 is built around separate strain wave gears for RA and DEC, driven by stepper motors through 480:1 and 360:1 reduction ratios. This compact, high-torque drive lets the 8.15 lb (3.7 kg) head of the HAE29C and original HAE29 carry 29.7 lbs (13.5 kg) with no counterweight or shaft, a 3.65 payload-to-weight ratio. The HAE29B, with its iMate computer built in, weighs 8.6 lbs (3.9 kg) and is rated for 29 lbs (13 kg), a 3.33 ratio. For heavier rigs, the optional 10 lb (4.5 kg) counterweight and Φ20×200mm shaft raise capacity to 40 lbs (18 kg) on every version.\u003c\/p\u003e\n\u003cp\u003eStrain wave gears have zero backlash, so the mount responds instantly to guide corrections. The HAE29C and HAE29B track with a native periodic error of less than 36 arcsec (\u0026lt; ±18 arcsec) over a 360-second gear period, a smooth, predictable error curve that standard autoguiding handles with ease. The all-metal, CNC-machined body is finished in anodized black and small enough to fit in a backpack for trips to dark-sky sites.\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 AZ\/EQ Modes from 0° to 90° Latitude, with a Power-Off Brake\u003c\/h3\u003e\n\u003cp\u003eSet the latitude to 90° and the HAE29 becomes a simple up-down, left-right Alt-Azimuth mount for fast, no-polar-alignment visual sessions, planetary viewing and outreach. Tilt it to your latitude and it becomes a true equatorial mount for long-exposure astrophotography without field rotation. The 0° to 90° latitude range lets you polar align anywhere on Earth, including at the equator.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronic friction brake:\u003c\/strong\u003e Strain wave gears can be back-driven, so every HAE29 engages a friction brake on both axes when power is turned off or lost, keeping your telescope from swinging into the tripod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal saddle:\u003c\/strong\u003e The Vixen\/Losmandy dual saddle accepts both common dovetail styles without an adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTripod-ready base:\u003c\/strong\u003e The 102mm mounting base fits optional tripods and piers; the tripod is not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast polar alignment:\u003c\/strong\u003e The iPolar electronic polar scope is included with the original HAE29 w\/ iPolar and HAE29EC w\/ iPolar, and available as an option for the other versions.\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\u003eHigh-Precision RA Encoder: Real-Time PEC over the 360-Second Gear Period (EC Versions)\u003c\/h3\u003e\n\u003cp\u003eThe HAE29C-EC, HAE29B-EC w\/ iMate and original HAE29EC w\/ iPolar add a high-precision encoder on the Right Ascension axis. It constantly measures the mount's actual position and feeds corrections to the motor controller, enabling real-time periodic error correction (RPEC) across the 360-second gear period. The result is noticeably smoother tracking that can reduce, or with short to medium focal length optics even eliminate, the need for autoguiding.\u003c\/p\u003e\n\u003cp\u003eFor long-focal-length, long-exposure deep-sky work, autoguiding still pays off, but the EC versions' better baseline tracking means smaller guide corrections and tighter, rounder stars. Every HAE29 version keeps an ST-4 compatible autoguide port.\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\u003eControl Your Way: Wi-Fi, USB-C or an Onboard iMate with 3 DC Outputs\u003c\/h3\u003e\n\u003cp\u003eThe HAE29 has no required handset in its current generation. How you connect depends on the version:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29C versions:\u003c\/strong\u003e Built-in Wi-Fi and USB-C in the mount. Control it wirelessly from a smartphone, tablet or PC with iOptron Commander, or over USB with ASCOM drivers and software like NINA, SGP or TheSkyX. The Go2Nova® 8411 handset is optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29B versions:\u003c\/strong\u003e The integrated iMate is an open-source onboard computer preloaded with KStars\/Ekos. Connect to it over Wi-Fi and it runs GoTo, tracking, plate solving and imaging sequences directly from the mount, with 1× USB 3.0, 2× USB 2.0 and 3× 12V DC outputs for your camera, guider, focuser and filter wheel. One power cable to the mount, no cable drag and no laptop at the telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal versions:\u003c\/strong\u003e Controlled through the included Go2Nova® 8409 hand controller with a ~212,000-object database, which also provides the Wi-Fi and USB connections for Commander\/ASCOM on Windows, INDI on macOS or Raspberry Pi, and smartphone apps such as Commander Lite or SkySafari. Power-down position memory lets the mount resume after an abrupt power loss without realigning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll versions run on DC 12V, 5A and draw only 0.6A while tracking and 1A during GoTo slews, so they are easy to run from a 12V field battery.\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\u003eChoose Your HAE29 Version\u003c\/h3\u003e\n\u003cp\u003eEvery HAE29 shares the same 480:1\/360:1 strain wave drive, 40 lb (18 kg) maximum payload with counterweight, 6°\/sec slewing, AZ\/EQ design and electronic friction brake. The versions differ in how the mount is controlled, which ports it provides, whether the RA encoder is fitted and, for the original generation, what comes in the box.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29C:\u003c\/strong\u003e The lightest, most streamlined current model: an 8.15 lb (3.7 kg) head carrying 29.7 lbs (13.5 kg), with Wi-Fi and USB-C built into the mount and an optional handset. Ideal if you already control your rig with a laptop or mini-PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29C-EC:\u003c\/strong\u003e The HAE29C with the high-precision RA encoder and real-time PEC, for imagers who want the best tracking accuracy and less reliance on autoguiding from an ultra-light rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29B w\/ iMate:\u003c\/strong\u003e Adds the iMate onboard computer with KStars\/Ekos, 1× USB 3.0, 2× USB 2.0 and 3× 12V DC outputs, replacing the separate control computer and power hub at the scope. The integrated electronics add 0.45 lb (0.2 kg), for an 8.6 lb (3.9 kg) head rated at 29 lbs (13 kg) without counterweight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29B-EC w\/ iMate:\u003c\/strong\u003e The iMate computer plus the high-precision RA encoder: a self-contained imaging platform that plate solves, sequences and tracks with real-time PEC without any external computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29 (Original):\u003c\/strong\u003e The first-generation HAE29 with the same 8.15 lb (3.7 kg) head and 29.7 lb (13.5 kg) payload. It is operated through the included Go2Nova® 8409 hand controller, which also provides Wi-Fi and USB control, and has neither the C's in-mount Wi-Fi\/USB-C nor the B's iMate computer. Rated from -20°C to 40°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29 w\/ iPolar (Original):\u003c\/strong\u003e The original HAE29 with the external iPolar electronic polar scope included for quick, accurate polar alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE29EC w\/ iPolar (Original):\u003c\/strong\u003e The original HAE29 with the high-precision RA encoder and real-time PEC, plus the included iPolar electronic polar scope.\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\u003eiOptron HAE29 vs. ZWO AM5: Payload, Weight and Onboard Computing\u003c\/h3\u003e\n\u003cp\u003eThe ZWO AM5 is the HAE29's closest rival among portable strain wave mounts. Both carry similar counterweight-free payloads, but they take different approaches to weight and system integration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePayload:\u003c\/strong\u003e The HAE29C and original HAE29 carry 29.7 lbs (13.5 kg) without a counterweight, and the HAE29B 29 lbs (13 kg), versus 28.6 lbs (13 kg) for the AM5. With a counterweight, the AM5 reaches 44 lbs against the HAE29's 40 lbs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e At 8.15 to 8.6 lbs, the HAE29 head is significantly lighter than the AM5's 12.1 lb head, making it the easier mount to carry on a plane or hike to a dark site.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard computing:\u003c\/strong\u003e The AM5 is built around the ASIAIR ecosystem and needs an external ASIAIR or mini-PC. The HAE29B versions integrate the iMate computer and power outputs into the mount, for a cleaner, self-contained rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTracking:\u003c\/strong\u003e The HAE29C and HAE29B are rated at \u0026lt; ±18 arcsec periodic error, versus \u0026lt; ±20 arcsec for the AM5, and the HAE29 line adds EC versions with a high-precision RA encoder and real-time PEC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are already committed to ASIAIR or need the last few pounds of counterweighted capacity, the AM5 remains a strong choice. If the lightest possible head, an optional RA encoder or a built-in observatory computer matter more, the HAE29 is the better fit.\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 difference between the HAE29 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions share the same strain wave drive and AZ\/EQ design. The \u003cstrong\u003eHAE29C\u003c\/strong\u003e has Wi-Fi and USB-C built into the mount, weighs \u003cstrong\u003e8.15 lbs\u003c\/strong\u003e and carries \u003cstrong\u003e29.7 lbs\u003c\/strong\u003e. The \u003cstrong\u003eHAE29B w\/ iMate\u003c\/strong\u003e adds an onboard computer with KStars\/Ekos, \u003cstrong\u003e1× USB 3.0, 2× USB 2.0 and 3× 12V DC outputs\u003c\/strong\u003e, weighing \u003cstrong\u003e8.6 lbs\u003c\/strong\u003e with a \u003cstrong\u003e29 lb\u003c\/strong\u003e rating. \u003cstrong\u003eEC\u003c\/strong\u003e versions of either add a high-precision RA encoder with real-time PEC. The original-generation \u003cstrong\u003eHAE29\u003c\/strong\u003e, \u003cstrong\u003eHAE29 w\/ iPolar\u003c\/strong\u003e and \u003cstrong\u003eHAE29EC w\/ iPolar\u003c\/strong\u003e are controlled through an included Go2Nova® 8409 hand controller, with the iPolar electronic polar scope included on the latter two.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a counterweight for the HAE29?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot for most setups. The HAE29C and original HAE29 carry up to \u003cstrong\u003e29.7 lbs (13.5 kg)\u003c\/strong\u003e and the HAE29B up to \u003cstrong\u003e29 lbs (13 kg)\u003c\/strong\u003e with no counterweight. If your telescope and imaging train are heavier, the optional \u003cstrong\u003e10 lb (4.5 kg)\u003c\/strong\u003e counterweight and shaft raise capacity to \u003cstrong\u003e40 lbs (18 kg)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the RA encoder on the EC versions do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE29C-EC, HAE29B-EC w\/ iMate and HAE29EC w\/ iPolar have a \u003cstrong\u003ehigh-precision encoder on the RA axis\u003c\/strong\u003e. It continuously measures tracking and feeds corrections to the motor, enabling \u003cstrong\u003ereal-time PEC\u003c\/strong\u003e across the \u003cstrong\u003e360-second\u003c\/strong\u003e gear period. Tracking is much smoother than the non-encoder versions, so with a short focal length refractor you can often shoot unguided or with minimal guide corrections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need an external computer like an ASIAIR with the HAE29B w\/ iMate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The HAE29B versions include the \u003cstrong\u003eiMate onboard computer\u003c\/strong\u003e, preloaded with KStars\/Ekos. It controls GoTo slewing, tracking, plate solving and sequencing, and connects your cameras, focuser and filter wheel through \u003cstrong\u003e1× USB 3.0 and 2× USB 2.0 ports\u003c\/strong\u003e while powering them from \u003cstrong\u003e3× 12V DC outputs\u003c\/strong\u003e. The HAE29C and original versions have no onboard computer and are controlled from your own PC, tablet, phone or controller.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the HAE29 without a hand controller?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE29C versions have \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e and \u003cstrong\u003eUSB-C\u003c\/strong\u003e, so you can use iOptron Commander, ASCOM-compatible software such as NINA, SGP or TheSkyX, or smartphone apps with no handset at all (the Go2Nova® 8411 is optional). The HAE29B versions are run through the iMate over Wi-Fi. The original versions include the \u003cstrong\u003eGo2Nova® 8409\u003c\/strong\u003e hand controller, which provides their Wi-Fi and USB connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the HAE29 handle an 8\" SCT for imaging galaxies like M51 or viewing Jupiter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. An 8\" SCT optical tube typically weighs 12-15 lbs, well within the \u003cstrong\u003e29 to 29.7 lb\u003c\/strong\u003e counterweight-free capacity of every version. For Jupiter, use AZ mode for a fast setup with no polar alignment. For the Whirlpool Galaxy (M51), switch to EQ mode and autoguide through the \u003cstrong\u003eST-4\u003c\/strong\u003e port; zero-backlash gears respond instantly to guide corrections, and EC versions add real-time PEC for even smoother tracking at long focal lengths.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan the HAE29 handle cold Canadian winter nights?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The HAE29C and HAE29B are rated from \u003cstrong\u003e-20°C to 45°C\u003c\/strong\u003e, and the original versions from \u003cstrong\u003e-20°C to 40°C\u003c\/strong\u003e (their hand controller from -10°C). The all-metal, CNC-machined body stays rigid in the cold, and a low draw of \u003cstrong\u003e0.6A\u003c\/strong\u003e while tracking keeps battery demands modest.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Altazimuth\/Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear System\u003c\/td\u003e\n\u003ctd\u003eStrain wave gear (RA \u0026amp; DEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003eRA 480:1, DEC 360:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (Counterweight-Free)\u003c\/td\u003e\n\u003ctd\u003e29.7 lbs (13.5 kg) (HAE29C, HAE29C-EC, Original versions); 29 lbs (13 kg) (HAE29B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (with Counterweight)\u003c\/td\u003e\n\u003ctd\u003e40 lbs (18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e8.15 lbs (3.7 kg) with dovetail saddle (HAE29C, HAE29C-EC, Original versions); 8.6 lbs (3.9 kg) with dovetail saddle (HAE29B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload-to-Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.65 (HAE29C, HAE29C-EC, Original versions); 3.33 (HAE29B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 36 arcsec (\u0026lt; ±18 arcsec) (HAE29C, HAE29B); real-time PEC with RA encoder (EC versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Precision Encoder\u003c\/td\u003e\n\u003ctd\u003eRA axis, real-time PEC (HAE29C-EC, HAE29B-EC w\/ iMate, HAE29EC w\/ iPolar); not fitted on other versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Period\u003c\/td\u003e\n\u003ctd\u003e360 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Slew Speed\u003c\/td\u003e\n\u003ctd\u003e6°\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0° to 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 7° (HAE29C, HAE29B); ± 5° (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGOTONOVA\/Commander (HAE29C, Original versions); GOTONOVA\/Commander\/iMate (HAE29B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eOptional Go2Nova® 8411 w\/ OLED display (HAE29C, HAE29B); Go2Nova® 8409 with ~212,000-object database, included (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Computer\u003c\/td\u003e\n\u003ctd\u003eiMate, open-source architecture, preloaded KStars\/Ekos (HAE29B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eiMate Ports\u003c\/td\u003e\n\u003ctd\u003e1x USB 3.0, 2x USB 2.0, 3x DC 12V outputs (HAE29B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Wi-Fi and USB-C (HAE29C versions); iMate (Wi-Fi) and USB (HAE29B versions); Wi-Fi and USB via hand controller (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eST-4 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eiPolar electronic polar scope, included (HAE29 w\/ iPolar and HAE29EC w\/ iPolar Original versions); optional (other versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 1A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-Down Memory\u003c\/td\u003e\n\u003ctd\u003eYes (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen \u0026amp; Losmandy dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined, anodized black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Base Diameter\u003c\/td\u003e\n\u003ctd\u003e102mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 45°C (HAE29C, HAE29B); -20°C to 40°C, hand controller -10°C to 40°C (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional, SS Φ20X200mm, 3\/8\"-16 thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003eOptional, 10 lbs (4.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\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\"\u003eHAE29 Mount Head with Vixen\/Losmandy Dual Saddle (version as ordered)\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\"\u003eAC Adapter (100-240V)\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\"\u003eCarrying Case\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\"\u003eUSB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (HAE29C versions)\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\"\u003eUSB Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eGo2Nova® 8409 Hand Controller\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eiPolar Electronic Polar Scope\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (HAE29 w\/ iPolar and HAE29EC w\/ iPolar Original versions)\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_HAE_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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"HAE29C","offer_id":52917266645277,"sku":"IOP-HE292C","price":3303.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29C-EC","offer_id":52917266678045,"sku":"IOP-HE294C","price":5235.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29B w\/ iMate","offer_id":52917266710813,"sku":"IOP-HE292B","price":3541.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29B-EC w\/ iMate","offer_id":52917266743581,"sku":"IOP-HE294B","price":5459.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29 (Original)","offer_id":44996073193757,"sku":"IOP-HE292","price":2797.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29 w\/ iPolar (Original)","offer_id":44996073226525,"sku":"IOP-HE292A","price":2937.0,"currency_code":"CAD","in_stock":true},{"title":"HAE29EC w\/ iPolar (Original)","offer_id":44996073259293,"sku":"IOPHE294A","price":4687.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/HAE29a.jpg?v=1684770300"},{"product_id":"hae43-dual-az-eq-swg-mount","title":"iOptron HAE43 Dual AZ\/EQ SWG Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e44 lbs (20 kg) payload without counterweights, 55 lbs (25 kg) with optional counterweight\u003c\/li\u003e\n\u003cli\u003eStrain wave gears on RA and DEC (640:1 \/ 480:1) with electronic friction brake\u003c\/li\u003e\n\u003cli\u003eCompact mount head: 12.6 lbs (5.7 kg) on C versions, 12.8 lbs (5.8 kg) on B and Original versions\u003c\/li\u003e\n\u003cli\u003eDual Alt-Azimuth (AZ) and Equatorial (EQ) modes with 6°\/sec GoTo slewing\u003c\/li\u003e\n\u003cli\u003eHigh-precision RA encoder with Realtime PEC (EC versions)\u003c\/li\u003e\n\u003cli\u003eIntegrated iMate computer with KStars\/Ekos and 3x 12V DC outputs (B versions)\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\u003eiOptron HAE43 Dual AZ\/EQ SWG Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HAE43 puts a 44 lb (20 kg) instrument payload on a mount head that weighs less than 13 lbs, with no counterweight or shaft required. Strain wave gears on both axes deliver high torque with zero backlash, an electronic friction brake holds your gear when power is cut, and dual Alt-Azimuth and Equatorial modes let the same mount serve a quick visual session or an all-night imaging run. The HAE43 is offered in several versions: the current-generation HAE43C with built-in Wi-Fi and USB-C, the HAE43B with an integrated iMate observatory computer, EC versions of both with a high-precision RA encoder, and the original-generation HAE43, HAE43 w\/ iPolar and HAE43EC w\/ iPolar, controlled through an included Go2Nova® hand controller.\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\u003eStrain Wave Gear Drive: 44 lbs on a Head Under 13 lbs\u003c\/h3\u003e\n\u003cp\u003eEvery HAE43 uses strain wave gear (SWG) drives on both the RA and DEC axes, with reduction ratios of 640:1 (RA) and 480:1 (DEC) and a long 270-second gear period. That torque is what lets the mount carry 44 lbs (20 kg) of telescope and cameras straight off the Vixen\/Losmandy dual saddle, with no counterweight to haul or balance. For larger optical tubes, an optional 10 lb (4.5 kg) counterweight and shaft raise the capacity to 55 lbs (25 kg).\u003c\/p\u003e\n\u003cp\u003eThe payload-to-mount weight ratio is 3.51 on the 12.6 lb (5.7 kg) HAE43C versions and 3.45 on the 12.8 lb (5.8 kg) HAE43B and original versions. Because the drive has no backlash, autoguiding corrections take effect immediately, and the smooth, slow error curve of the 270-second period is easy for guiding software to follow. The all-metal, CNC-machined body adds an electronic friction brake on both axes that stops movement safely during a planned or unplanned power interruption.\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 AZ\/EQ Modes with 6°\/sec GoTo Slewing\u003c\/h3\u003e\n\u003cp\u003eThe HAE43 is two mounts in one, so you set it up for the night's goal rather than buying a second platform. In either mode the GoToNova\/Commander system slews at up to 6°\/sec to center targets quickly, and a level bubble speeds up setup.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquatorial (EQ) Mode:\u003c\/strong\u003e Tracks the sky's rotation without field rotation, the mode for long-exposure deep-sky imaging of targets like M31 or M42. The optional iPolar electronic polar scope (included with the original iPolar versions) makes polar alignment quick and accurate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlt-Azimuth (AZ) Mode:\u003c\/strong\u003e No polar alignment needed. Level the mount, align on a star and track the Moon, planets or bright deep-sky objects, ideal for visual sessions, outreach events and planetary work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer and App Control:\u003c\/strong\u003e ASCOM\/Commander on Windows, INDI drivers on macOS or a Raspberry Pi, and apps such as iOptron Commander Lite or SkySafari on a phone or tablet. An ST-4 compatible autoguide port is standard on every version.\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\u003eChoose Your HAE43 Version: C, B w\/ iMate, EC and Original\u003c\/h3\u003e\n\u003cp\u003eAll versions share the same 44 lb (20 kg) strain wave drive, 640:1 \/ 480:1 reduction, 270-second gear period, 6°\/sec slewing, dual saddle and electronic friction brake. They differ in how the mount is controlled, whether a computer is built in, whether an RA encoder is fitted, and which accessories are included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE43C:\u003c\/strong\u003e The current-generation standard model and the lightest at 12.6 lbs (5.7 kg). The control board is built into the mount head, with Wi-Fi and USB-C for direct control from a computer, phone, tablet or dedicated astro-computer. The Go2Nova® 8411 OLED handset and iPolar are optional. Best if you already run your imaging from a laptop or mini-PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHAE43B w\/ iMate:\u003c\/strong\u003e Same drive, plus an integrated iMate onboard computer preloaded with KStars\/Ekos and iPolarServer. The iMate adds 1x USB 3.0, 2x USB 2.0 and 3x DC 12V power outputs, alongside a USB-C port on the base, so cameras, filter wheel and accessories plug into the mount and run from a single 12V-5A input. The head weighs 12.8 lbs (5.8 kg), 0.2 lb (0.1 kg) more than the HAE43C. Best if you want to image without a separate laptop or controller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Versions (HAE43C-EC, HAE43B-EC w\/ iMate):\u003c\/strong\u003e Add a high-precision RA encoder with Realtime PEC (RPEC), which measures the RA axis and corrects periodic error as it happens. Tracking is smooth enough that many imagers shoot unguided, and it eases the load on your autoguider at long focal lengths. Weight and features are otherwise the same as the matching non-EC model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal Generation (HAE43, HAE43 w\/ iPolar, HAE43EC w\/ iPolar):\u003c\/strong\u003e The first HAE43 design, with the same 44 lb payload on a 12.8 lb (5.8 kg) head. Control runs through the included Go2Nova® 8409 hand controller (~212,000-object database), which provides the Wi-Fi and USB connection and power-down position memory. The HAE43 w\/ iPolar adds the iPolar electronic polar scope, and the HAE43EC w\/ iPolar combines iPolar with the high-precision RA encoder and Realtime PEC.\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\u003eiMate Onboard Computer: 3x 12V Outputs and KStars\/Ekos (B Versions)\u003c\/h3\u003e\n\u003cp\u003eThe HAE43B and HAE43B-EC build an observatory controller into the mount. The iMate runs an open-source architecture with KStars\/Ekos preloaded, so you connect wirelessly from a laptop, tablet or smartphone and control the mount, cameras and accessories from one interface, with iPolarServer ready for the optional iPolar.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eData:\u003c\/strong\u003e 1x high-speed USB 3.0 port for the main imaging camera and 2x USB 2.0 ports for a guide camera, filter wheel or focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 3x DC 12V outputs power those devices directly from the mount, cutting cable drag through the axes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimpler Field Setup:\u003c\/strong\u003e One DC 12V-5A cable to the mount powers the whole system, replacing a separate mini-PC or ASIAIR at the telescope.\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\u003eiOptron HAE43 vs. ZWO AM5: 44 lbs vs. 28.6 lbs Without Counterweights\u003c\/h3\u003e\n\u003cp\u003eThe ZWO AM5 is a popular strain wave mount, slightly lighter at 11 lbs and tightly integrated with the ZWO ASIAIR ecosystem. For users who need more capacity, the HAE43 has clear advantages:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Native Payload:\u003c\/strong\u003e 44 lbs without a counterweight versus the AM5's 28.6 lbs, enough for an 8\" SCT or a 5\" refractor with a full imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Maximum Payload:\u003c\/strong\u003e 55 lbs with a counterweight versus 44 lbs for the AM5.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Control Option:\u003c\/strong\u003e The HAE43B versions include the iMate computer and 3x 12V power outputs in the mount itself, where the AM5 needs an external controller such as an ASIAIR.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-Off Protection:\u003c\/strong\u003e The HAE43's electronic friction brake locks both axes when power is removed, protecting your telescope and camera.\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 the difference between the HAE43 versions?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eAll versions carry \u003cstrong\u003e44 lbs (20 kg)\u003c\/strong\u003e without counterweights on the same strain wave drive. The \u003cstrong\u003eHAE43C\u003c\/strong\u003e has Wi-Fi and USB-C built into a \u003cstrong\u003e12.6 lb (5.7 kg)\u003c\/strong\u003e head. The \u003cstrong\u003eHAE43B w\/ iMate\u003c\/strong\u003e adds an onboard KStars\/Ekos computer with \u003cstrong\u003e1x USB 3.0, 2x USB 2.0 and 3x 12V DC outputs\u003c\/strong\u003e, at \u003cstrong\u003e12.8 lbs (5.8 kg)\u003c\/strong\u003e. \u003cstrong\u003eEC\u003c\/strong\u003e versions add a high-precision RA encoder with Realtime PEC. The \u003cstrong\u003eoriginal\u003c\/strong\u003e HAE43, HAE43 w\/ iPolar and HAE43EC w\/ iPolar are controlled through an included \u003cstrong\u003eGo2Nova® 8409\u003c\/strong\u003e hand controller, and the iPolar versions include the iPolar electronic polar scope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need counterweights with the HAE43?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNot for most setups. Any version carries up to \u003cstrong\u003e44 lbs (20 kg)\u003c\/strong\u003e with no counterweight or shaft. If your payload is heavier, add the optional \u003cstrong\u003e10 lb (4.5 kg)\u003c\/strong\u003e counterweight and Φ20x200mm shaft to raise the capacity to \u003cstrong\u003e55 lbs (25 kg)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does the RA encoder on the EC versions do?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE43C-EC, HAE43B-EC w\/ iMate and HAE43EC w\/ iPolar have a \u003cstrong\u003ehigh-precision encoder on the RA axis\u003c\/strong\u003e that enables \u003cstrong\u003eRealtime PEC (RPEC)\u003c\/strong\u003e. It measures the axis continuously and corrects the gear's periodic error as it happens, rather than relying on the gears alone (iOptron rates the C and B drives at \u003cstrong\u003e\u0026lt; ±18 arcsec\u003c\/strong\u003e PE over the \u003cstrong\u003e270-second\u003c\/strong\u003e gear period). The result is smoother tracking, easier guiding at long focal lengths, and the option to image unguided.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I still need a laptop or ASIAIR with the HAE43B w\/ iMate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. The iMate comes preloaded with \u003cstrong\u003eKStars\/Ekos\u003c\/strong\u003e and iPolarServer, and you connect to it wirelessly from a laptop, tablet or smartphone. Your cameras and accessories plug into its \u003cstrong\u003eUSB 3.0 and two USB 2.0 ports\u003c\/strong\u003e and draw power from \u003cstrong\u003ethree 12V DC outputs\u003c\/strong\u003e. The HAE43C versions have no onboard computer, so they pair with your own PC, mini-PC or astro-computer over \u003cstrong\u003eUSB-C or Wi-Fi\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the HAE43 for both visual observing and deep-sky imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. For a quick look at Jupiter through an 8\" SCT, use \u003cstrong\u003eAlt-Azimuth (AZ) mode\u003c\/strong\u003e: level the mount, do a star alignment and start observing, with no polar alignment. For long exposures of the Andromeda Galaxy (M31) or the Orion Nebula (M42), switch to \u003cstrong\u003eEquatorial (EQ) mode\u003c\/strong\u003e and polar align. Both setups sit well within the \u003cstrong\u003e44 lb\u003c\/strong\u003e counterweight-free payload, and the \u003cstrong\u003e6°\/sec\u003c\/strong\u003e slew speed moves quickly between targets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the HAE43 from a computer or phone?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eOn the \u003cstrong\u003eHAE43C\u003c\/strong\u003e versions, connect over the mount's built-in \u003cstrong\u003eWi-Fi or USB-C\u003c\/strong\u003e. On the \u003cstrong\u003eHAE43B\u003c\/strong\u003e versions, use the \u003cstrong\u003eiMate\u003c\/strong\u003e (KStars\/Ekos) or the USB-C port on the base. On the \u003cstrong\u003eoriginal\u003c\/strong\u003e versions, Wi-Fi and USB are provided through the included \u003cstrong\u003eGo2Nova® 8409\u003c\/strong\u003e hand controller. Software options include ASCOM\/Commander on Windows, INDI drivers on macOS or a Raspberry Pi, and apps such as iOptron Commander Lite or SkySafari. An \u003cstrong\u003eST-4\u003c\/strong\u003e autoguide port is standard on all versions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat happens if the HAE43 loses power during a slew?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEvery version has an \u003cstrong\u003eelectronic friction brake\u003c\/strong\u003e on both axes that engages when power is lost, stopping movement safely and protecting your telescope and camera from slips or impacts. The original versions also offer \u003cstrong\u003epower-down position memory\u003c\/strong\u003e, so the mount can resume a GoTo or continue tracking without realigning from the beginning.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Altazimuth\/Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear System\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Gear (RA and DEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003eRA 640:1, DEC 480:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Period\u003c\/td\u003e\n\u003ctd\u003e270 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (without Counterweight)\u003c\/td\u003e\n\u003ctd\u003e44 lbs (20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (with Counterweight)\u003c\/td\u003e\n\u003ctd\u003e55 lbs (25 kg) with optional counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e12.6 lbs (5.7 kg) with dovetail saddle (HAE43C, HAE43C-EC); 12.8 lbs (5.8 kg) with dovetail saddle (HAE43B, HAE43B-EC and Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload-to-Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.51 (C versions); 3.45 (B and Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 36 arcsec (\u0026lt; ±18 arcsec) (C and B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision Encoder\u003c\/td\u003e\n\u003ctd\u003eYes, RA axis (EC versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePEC\u003c\/td\u003e\n\u003ctd\u003eRealtime PEC (EC versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGoToNova \/ Commander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eOptional Go2Nova® 8411 OLED (C and B versions); Go2Nova® 8409 with ~212,000 objects database, included (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in Computer\u003c\/td\u003e\n\u003ctd\u003eiMate (open source architecture), preloaded KStars\/Ekos and iPolarServer (B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eiMate Ports\u003c\/td\u003e\n\u003ctd\u003e1x USB 3.0, 2x USB 2.0, 3x DC 12V outputs (B versions only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eUSB-C and Wi-Fi (C versions); iMate and USB-C (B versions); USB and Wi-Fi via hand controller (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguide Port\u003c\/td\u003e\n\u003ctd\u003eYes (ST-4 compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Slew Speed\u003c\/td\u003e\n\u003ctd\u003e6°\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eDC 12V-5A; 5.5\/2.1mm plug (C and B versions), 5.5\/2.5mm plug (Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.7A (Tracking), 1.2A (GoTo) (C and Original versions); 0.8A (Tracking), 1.3A (GoTo) (B versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen\/Losmandy dual saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eOptional iPolar electronic polar scope (external); included with HAE43 w\/ iPolar and HAE43EC w\/ iPolar (Original)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 45°C (C versions); -20°C to 40°C (B and Original versions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgrade\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional (SS Φ20x200mm, 3\/8\"-16 thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003eOptional (10 lbs \/ 4.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight \u0026amp; Dimensions\u003c\/td\u003e\n\u003ctd\u003e25 lbs, 17 x 16 x 10 in (HAE43C-EC and HAE43B-EC)\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\"\u003eHAE43 Mount Head (Version as Ordered)\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\"\u003eAC Adapter (100V-240V, 12V\/5A)\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\"\u003eCarrying Case\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\"\u003eUSB-C Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (C and B versions)\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\"\u003eUSB Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eGo2Nova® 8409 Hand Controller\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eCoiled Hand Controller Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original versions)\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\"\u003eiPolar Electronic Polar Scope with miniUSB Cable\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1 (Original iPolar versions)\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_HAE_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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"HAE43C","offer_id":52917267333405,"sku":"IOP-HE432C","price":4535.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43C-EC","offer_id":52917267366173,"sku":"IOP-HE434C","price":6621.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43B w\/ iMate","offer_id":52917267398941,"sku":"IOP-HE432B","price":4759.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43B-EC w\/ iMate","offer_id":52917267431709,"sku":"IOP-HE434B","price":6845.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43 (Original)","offer_id":44996174119197,"sku":null,"price":3917.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43 w\/ iPolar (Original)","offer_id":44996174151965,"sku":null,"price":4057.0,"currency_code":"CAD","in_stock":true},{"title":"HAE43EC w\/ iPolar (Original)","offer_id":44996174184733,"sku":null,"price":5947.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/HAE43a.jpg?v=1684771145"},{"product_id":"ioptron-hae16c-az-eq-dual-swg","title":"iOptron HAE16C AZ\/EQ Dual SWG","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eHybrid EQ\/Alt-Az Mount Design\u003c\/li\u003e\n\u003cli\u003e18 lbs (8.2 kg) Payload without Counterweight\u003c\/li\u003e\n\u003cli\u003e5.7 lbs (2.6 kg) Mount Head Weight\u003c\/li\u003e\n\u003cli\u003eStrainWave RA Gear \u0026amp; Worm\/Belt DEC System\u003c\/li\u003e\n\u003cli\u003eBuilt-in Wi-Fi and 2x USB Ports\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\u003eiOptron HAE16C AZ\/EQ Dual SWG Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HAE16C AZ\/EQ Dual SWG mount delivers an exceptional 18 lb payload capacity from a head that weighs only 5.7 lbs, eliminating the need for counterweights in many imaging setups. Its core is a StrainWave 14 gear system on the Right Ascension axis, featuring a 360:1 reduction ratio for precise, backlash-free tracking. This hybrid mount operates in both equatorial and alt-azimuth modes and offers a full 0º to 90º latitude adjustment range, making it the ultimate portable solution for astrophotography from anywhere on Earth.\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\u003eStrainWave RA Drive with a 360:1 Reduction Ratio\u003c\/h3\u003e\n\u003cp\u003eThe HAE16C employs a high-resolution StrainWave gear on the critical RA axis, delivering the zero-backlash tracking essential for long-exposure astrophotography. With a 360:1 reduction ratio, the stepper motor provides the high torque needed to handle off-balance loads without counterweights, while maintaining smooth motion. For the Declination axis, iOptron uses a backlash-free worm\/belt system, a design choice that reduces overall weight and complexity. An electronic friction brake on the RA axis ensures your payload remains secure even if power is lost.\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 3.17 Payload-to-Weight Ratio: 18 lbs on a 5.7 lb Head\u003c\/h3\u003e\n\u003cp\u003eEngineered for portability, the HAE16C redefines what a grab-and-go mount can carry. The mount head weighs a mere 5.7 lbs but supports an 18 lb instrument load without any counterweights, achieving an impressive payload-to-weight ratio of 3.17. This allows you to build a powerful, airline-portable imaging rig around refractors or wide-field astrographs. For heavier setups, the payload can be increased to 26.5 lbs with the addition of an optional counterweight shaft and a 4.5 lb counterweight.\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\u003eIntegrated Wi-Fi and USB for Full Remote Operation\u003c\/h3\u003e\n\u003cp\u003eThe HAE16C is built for modern, computer-controlled imaging sessions. It features built-in Wi-Fi on the main board for reliable wireless control from a smartphone, tablet, or PC. For wired connections, two USB ports provide direct access to your imaging computer and accessories. The mount is fully compatible with iOptron Commander, ASCOM, and INDI drivers, allowing seamless integration with popular acquisition software like N.I.N.A. or Sequence Generator Pro. For users who prefer manual control, the Go2Nova 8411 hand controller is available as an optional accessory.\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\u003e0-90° Latitude Range and Dual Zero Position Sensors\u003c\/h3\u003e\n\u003cp\u003eDesigned for observers on the move, the HAE16C features a latitude adjustment range of 0º to 90º. This enables correct polar alignment in equatorial mode from any location, including the equator. The mount is also equipped with zero position sensors on both the RA and DEC axes, allowing it to find and return to its home position with absolute certainty, which is critical for remote operation and recovery after a power cycle. This dual-mode mount can be quickly switched to Alt-Az for simple visual observing, making it a truly flexible tool for any astronomer.\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\u003eHAE16C vs. Dual StrainWave Mounts: A Hybrid Approach to Portability\u003c\/h3\u003e\n\u003cp\u003eMounts using StrainWave gears on both axes, like the ZWO AM3, offer zero backlash on both RA and DEC. This can be an advantage for managing very rapid guiding corrections and fast slewing. The HAE16C takes a different approach by pairing a StrainWave drive on the critical RA tracking axis with a backlash-free worm\/belt system on the DEC axis. This hybrid design delivers the most important benefit of SWG technology—counterweight-free operation and precise tracking—while optimizing for lower weight and cost. The result is a mount with a higher payload-to-weight ratio (3.17) than many competitors, making the HAE16C a compelling choice for imagers who prioritize portability without compromising core tracking capability.\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 main benefit of the HAE16C's StrainWave gear on the RA axis?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary benefit of the \u003cstrong\u003eStrainWave 14 gear\u003c\/strong\u003e on the Right Ascension axis is its \u003cstrong\u003ezero-backlash\u003c\/strong\u003e nature. This eliminates the play found in traditional worm gears, resulting in more precise tracking for astrophotography and removing the need to balance the payload perfectly. The high torque also allows the mount to handle up to 18 lbs without a counterweight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the iOptron HAE16C without a counterweight?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The HAE16C is designed to support payloads up to \u003cstrong\u003e18 lbs (8.2 kg)\u003c\/strong\u003e without the use of a counterweight or shaft. This is one of its main advantages for creating a lightweight, portable imaging setup. For heavier loads up to 26.5 lbs (12 kg), the optional counterweight and shaft are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the HAE16C mount? Is a hand controller included?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE16C can be controlled in several ways. It has \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e for wireless control via iOptron apps or software on a PC, and \u003cstrong\u003e2x USB ports\u003c\/strong\u003e for a direct wired connection. It supports iOptron Commander, ASCOM, and INDI drivers. The Go2Nova 8411 hand controller is \u003cstrong\u003enot included\u003c\/strong\u003e but is available as an optional purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the HAE16C's 0-90° latitude range help when traveling for an event like a solar eclipse?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eA solar eclipse path can cross anywhere on Earth. The HAE16C's \u003cstrong\u003e0° to 90° latitude range\u003c\/strong\u003e ensures you can achieve proper equatorial alignment for tracking the Sun no matter where you set up, from the equator (0°) to the poles (90°). This makes it an ideal travel mount for chasing astronomical events globally.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat kind of astrophotography rig for imaging the Andromeda Galaxy (M31) can the HAE16C support with its 18 lb payload capacity?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWith its \u003cstrong\u003e18 lb counterweight-free capacity\u003c\/strong\u003e, the HAE16C can easily carry a popular wide-field imaging setup for large targets like the Andromeda Galaxy (M31). A typical rig could include a 70-80mm triplet apochromatic refractor, a cooled astronomy camera, a guide scope, and a filter wheel, all well within the mount's capacity for a portable and powerful system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the electronic friction brake on the HAE16C?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eelectronic friction brake on the RA axis\u003c\/strong\u003e is a safety feature. It automatically engages when the mount loses power, preventing the telescope from swinging freely. This protects your optical tube and camera from accidental impact if the power cord is disconnected or there is an unexpected power outage.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eHybrid EQ\/AA Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, Casting + CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (without Counterweight)\u003c\/td\u003e\n\u003ctd\u003e18 lbs (8.2kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (with Counterweight)\u003c\/td\u003e\n\u003ctd\u003e26.5 lbs (12kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e5.7 lbs (2.6kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload to Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Gear System\u003c\/td\u003e\n\u003ctd\u003eStrainWave 14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Gear System\u003c\/td\u003e\n\u003ctd\u003eBacklash-free worm\/belt system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Reduction Ratio\u003c\/td\u003e\n\u003ctd\u003e360:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic\u003c\/td\u003e\n\u003ctd\u003e360 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e0º ~ 90º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAzimuth Adjustment Range\u003c\/td\u003e\n\u003ctd\u003e± 6º\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake on RA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Position Sensor\u003c\/td\u003e\n\u003ctd\u003eYes on both RA and DEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracking\u003c\/td\u003e\n\u003ctd\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speeds\u003c\/td\u003e\n\u003ctd\u003e1×, 2×, 8×, 16×, 64×, 128×, 256×, 512×, MAX (6°\/sec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen-type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e2x USB, Wi-Fi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHand Controller\u003c\/td\u003e\n\u003ctd\u003eGo2Nova® 8411 with OLED display (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComputer Control\u003c\/td\u003e\n\u003ctd\u003eiOptron Commander, ASCOM and INDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolar Scope\u003c\/td\u003e\n\u003ctd\u003eExternal iPolarTM electronic polar scope (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguider Port\u003c\/td\u003e\n\u003ctd\u003eOptional external iGuider\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 1A (GOTO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, indoor use only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Thread\u003c\/td\u003e\n\u003ctd\u003e3\/8”-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20ºC ~ 40ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eYes\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron_HAE_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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/www.ioptron.com\/category-s\/133.htm\" 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 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\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":49201033773341,"sku":"IOP-HE162C","price":1957.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-HAE16C-1.jpg?v=1727379016"},{"product_id":"ioptron-he182c","title":"iOptron HAE18C AZ\/EQ Dual Strain Wave GoTo Mount","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003ePayload (without counterweight): 18.7 lbs (8.5 kg)\u003c\/li\u003e\n\u003cli\u003eMount Head Weight: 6.2 lbs (2.82 kg)\u003c\/li\u003e\n\u003cli\u003ePayload-to-Weight Ratio: 3.01\u003c\/li\u003e\n\u003cli\u003eDrive System: Dual Strain Wave Gear with 360:1 reduction\u003c\/li\u003e\n\u003cli\u003eOperational Modes: Alt-Azimuth \u0026amp; Equatorial\u003c\/li\u003e\n\u003cli\u003eControl: Built-in WiFi, USB, and ASCOM pulse guiding\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\u003eiOptron HAE18C AZ\/EQ Dual Strain Wave GoTo Mount\u003c\/h2\u003e\n\u003cp\u003eThe iOptron HAE18C AZ\/EQ dual SWG mount leverages a strain wave gear system with a 360:1 reduction ratio to support an 18.7 lb (8.5 kg) payload without any counterweights. Weighing just 6.2 lbs (2.82 kg) itself, the all-metal HAE18C achieves a remarkable 3.01 payload-to-mount weight ratio, while its dual AZ\/EQ functionality and 6º\/sec slew speed make it an exceptional platform for both quick visual observing and portable 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\u003eStrain Wave Gearing: A 3.01 Payload-to-Weight Ratio\u003c\/h3\u003e\n\u003cp\u003eThe core of the HAE18C is its strain wave gear (SWG) drive on both axes. This technology eliminates the need for heavy, bulky worm gears and counterweights for many setups, allowing the mount head to weigh a mere 6.2 lbs while carrying up to 18.7 lbs. This 3.01 payload-to-weight ratio is class-leading, making it possible to travel with a capable imaging rig that fits in a carry-on bag. For heavier setups, the payload can be increased to 26.5 lbs with an optional counterweight.\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-Mode Operation: 6º\/sec Slewing for Visual and Imaging\u003c\/h3\u003e\n\u003cp\u003eThe HAE18C's hybrid design allows you to switch between two distinct operational modes. In Alt-Azimuth (AZ) mode, the mount operates like a simple up-down, left-right system, perfect for quick setup and intuitive visual observation. For long-exposure astrophotography, you can set it up in Equatorial (EQ) mode to track the sky's rotation and prevent field rotation in your images. The fast 6º\/sec maximum slew speed gets you to your next target quickly in either configuration.\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\u003e12V-5A Control System: WiFi, USB, and ASCOM Guiding\u003c\/h3\u003e\n\u003cp\u003eFull remote control of the HAE18C is built-in, requiring only a 12V-5A power source. The mount features integrated WiFi for wireless control from a smartphone or tablet using iOptron's Commander software. A dedicated USB port provides a reliable, wired connection to a PC for control via the iOptron ASCOM driver and your preferred imaging software. For precise tracking, the mount supports ASCOM pulse guiding, allowing an autoguiding camera to make fine corrections. When powered down, an electronic friction brake engages automatically, securing your equipment.\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\u003eHAE18C vs. Traditional EQ Mounts: The Strain Wave Advantage\u003c\/h3\u003e\n\u003cp\u003eCompared to a traditional German equatorial mount in the same payload class, the HAE18C offers a revolutionary shift in portability. A conventional mount capable of carrying 25 lbs might weigh 15-20 lbs before adding counterweights. The HAE18C carries 18.7 lbs with a head weight of only 6.2 lbs and zero counterweights, fundamentally changing what is possible for travel and field astronomy. The trade-off for this compact design is a native periodic error of \u0026lt; 36 arcseconds; while this is excellent for a strain wave system, it necessitates autoguiding for critical long-exposure imaging, a standard practice for most imagers today.\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 main advantage of the HAE18C's strain wave gear system?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe primary advantage is an extremely high payload-to-weight ratio. The HAE18C mount head weighs only \u003cstrong\u003e6.2 lbs\u003c\/strong\u003e but can carry an \u003cstrong\u003e18.7 lb\u003c\/strong\u003e telescope setup without counterweights. This makes it incredibly portable for travel and field use compared to traditional mounts that are much heavier and always require counterweights.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the iOptron HAE18C for astrophotography without a counterweight?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes, absolutely. The HAE18C is designed to handle imaging rigs up to \u003cstrong\u003e18.7 lbs (8.5 kg)\u003c\/strong\u003e in EQ mode with no counterweight or shaft attached. This is ideal for setups like a wide-field refractor, a guide scope, and a dedicated astronomy camera, keeping your entire kit lightweight and easy to transport.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I control the iOptron HAE18C mount?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE18C offers multiple control options. You can use its \u003cstrong\u003ebuilt-in Wi-Fi\u003c\/strong\u003e to connect to a smartphone, tablet, or computer for wireless control via iOptron's software. It also has a \u003cstrong\u003eUSB port\u003c\/strong\u003e for a stable, wired connection to a PC for use with ASCOM-compatible software like N.I.N.A. or Sequence Generator Pro. An optional Go2Nova hand controller is also available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the difference between the HAE18C's AZ and EQ modes?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eAlt-Azimuth (AZ) mode\u003c\/strong\u003e is for simple, terrestrial-style movement (up-down, left-right) and is primarily used for visual observing. It's fast to set up and very intuitive. \u003cstrong\u003eEquatorial (EQ) mode\u003c\/strong\u003e aligns the mount's axis with the Earth's rotational axis. This allows it to track celestial objects with a single motion, which is essential to prevent star trails during long-exposure astrophotography.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the HAE18C perform for imaging the Andromeda Galaxy (M31) with a wide-field refractor?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe HAE18C is an excellent choice for this scenario. Its 18.7 lb capacity easily handles a compact refractor, and its portability makes getting to a dark sky site simple. While its native periodic error is under \u003cstrong\u003e\u0026lt; 36 arcseconds\u003c\/strong\u003e, pairing it with an autoguiding system (via ASCOM pulse guiding) will ensure round stars for the multi-minute exposures needed to capture the faint dust lanes of M31.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the HAE18C mount require balancing like a traditional GEM?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Due to the high torque and zero-backlash nature of the strain wave gears, the HAE18C does not require precise balancing. This significantly speeds up setup time in the field. The mount also features an electronic friction brake that engages when power is cut, preventing your telescope from swinging freely.\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\u003eMount Type\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Altazimuth\/Equatorial Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRA Gear System\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDEC Gear System\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction Ratio\u003c\/td\u003e\n\u003ctd\u003eRA 360:1, DEC 360:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (without CW)\u003c\/td\u003e\n\u003ctd\u003e18.7 lbs (8.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload (with CW)\u003c\/td\u003e\n\u003ctd\u003e26.5 lbs (12 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Weight\u003c\/td\u003e\n\u003ctd\u003e6.2 lbs (2.82 kg) with dovetail saddle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload\/Mount Weight Ratio\u003c\/td\u003e\n\u003ctd\u003e3.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive Motor\u003c\/td\u003e\n\u003ctd\u003eStepper motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic Error (PE)\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 36 arcsec (\u0026lt; ± 18 arcsec)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriod\u003c\/td\u003e\n\u003ctd\u003e360 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl System\u003c\/td\u003e\n\u003ctd\u003eGoToNova\/Commander\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlew Speed\u003c\/td\u003e\n\u003ctd\u003eMaximum 6º\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.6A (Tracking), 1A (GoTo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Off Brake\u003c\/td\u003e\n\u003ctd\u003eElectronic friction brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Wi-Fi and USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutoguiding\u003c\/td\u003e\n\u003ctd\u003ePulse guiding via ASCOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDovetail Saddle\u003c\/td\u003e\n\u003ctd\u003eVixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStructure Material\u003c\/td\u003e\n\u003ctd\u003eAll metal, CNC machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eAnodized black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevel Indicator\u003c\/td\u003e\n\u003ctd\u003eLevel bubble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20ºC ~ 45ºC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandset\u003c\/td\u003e\n\u003ctd\u003eOptional Go2Nova® 8411\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight Shaft\u003c\/td\u003e\n\u003ctd\u003eOptional (SS Φ20X200mm, 3\/8\"-16 thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight\u003c\/td\u003e\n\u003ctd\u003eOptional (10 lbs \/ 4.5kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware Upgradeable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\u003c\/td\u003e\n\u003ctd\u003e100V ~ 240V (included, indoor use 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\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_HAE_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 2-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917271822621,"sku":"IOP-HE182C","price":2309.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-HAE18C-AZ-EQ-dual-SWG-1_ec3e3f52-e291-448f-81c8-3b7988be6459.jpg?v=1789141624"}],"url":"https:\/\/davidastro.com\/collections\/ioptron-equatorial-mounts.oembed","provider":"David Astro","version":"1.0","type":"link"}