{"product_id":"zwo-ff131-apo-with-am5n-bundle-free-tc40-and-pe200-ff131-am5n","title":"ZWO FF131 APO with AM5N Bundle + FREE TC40 and PE200 (FF131+AM5N)","description":"\u003ch1\u003eZWO FF131 APO with AM5N Bundle\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(242, 13, 13);\"\u003e\u003cstrong\u003eGet a FREE TC40 and PE200\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eFF131 APO Refractor \u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"ZWO FF131 APO Refractor main banner\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Principal_KV_b0dc638d-e23b-4f4a-ba54-50ea9ae5342a.jpg?v=1780756718\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"ZWO icon\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/icon_a5f4ee21-0719-4efe-9384-ba59f9334c5a.jpg?v=1780756718\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe ZWO FF131 APO Refractor achieves focus within a back focus range of 42–73 mm. This distance is measured from the M54–M48 interface shoulder.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eMain Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"ZWO highlights\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Highlights_36892e8e-e2cb-40f9-9532-98d9a3763943.jpg?v=1780756718\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eFlexible Connectivity for Multiple Configurations\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg alt=\"Connectivity options\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Scene_62c54c1c-1c9c-42d4-af92-a2a9a923bd02.jpg?v=1780756718\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eUniqueness\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\"\u003e\u003cstrong\u003eFour-Element Optical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThis telescope features a four-element, fully air-spaced design. These elements deliver a flat imaging field without a flattener.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eOne ED glass element effectively reduces chromatic aberration. This ensures superior color correction and high image clarity for astrophotographers.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"Optical design diagram\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Four-Element_Optical_Design_55c41605-cd41-4cd4-844a-66f6c241f01d.jpg?v=1780756718\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\"\u003e\u003cb\u003e44 mm Image Circle — Full-Frame Support\u003c\/b\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eWith a 44 mm image circle, this telescope fully supports full-frame sensors. It accommodates a wide range of advanced imaging setups.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eIt produces sharp star fields with excellent edge performance. Enjoy consistent quality across the entire frame without vignetting.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Support_full-frame.jpg?v=1780756718\" alt=\"Full frame support diagram\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" align=\"left\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: medium;\"\u003eNative Flat-Field Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eThe native flat-field design eliminates the need for an external flattener. This simplifies your optical train for better results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003eForget complex back focus calculations. Attach your imaging setup and start capturing once focal point is achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_9aa9f7e6-4a9a-4fdf-aac5-8c02830220c6.jpg?v=1780756718\" alt=\"Focusing mechanism\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eConvenient Refractor Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\"\u003e\u003cstrong\u003eCoarse \u0026amp; fine focus adjustment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe rigid 3-inch rack-and-pinion focuser provides precise control. It uses a 1:10 dual-speed mechanism for perfect sharpness.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eA built-in 360° rotator at the rear allows for smooth camera rotation. This makes framing your celestial targets easy and accurate.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_adjustment_651c4f5c-d2f9-462a-acc9-5b439d2d2d2a.jpg?v=1780756718\" alt=\"Focuser detail\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e5. Retractable Dew Shield\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe telescope features a retractable dew shield. This reduces its length for safer and easier portability during travel.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003ePrecision CNC machining and a high-quality finish ensure durability. Internal coatings minimize stray light to enhance image contrast.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e6. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe mounting rings are fully detachable. This allows for rapid setup or teardown of the telescope while in the field.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Clamp_a252a048-0b76-40af-987f-b07cc9460b72.jpg?v=1780756718\" alt=\"Mounting rings\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003ePhotography Extension Tube\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe FF131 APO integrates seamlessly with modern cameras. It includes a four-section extension tube with a 2-inch filter thread.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eRear adapters in M48 and M54 formats are included. This provides flexibility for connecting various astrophotography accessories out of the box.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Extended_Photography.jpg?v=1780756718\" alt=\"Extension tubes set\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003ePerformance\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eOptical Layout\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Optical_path_diagram_b0042fa9-efc3-4d63-999b-3bd972ed9832.jpg?v=1780756718\" alt=\"Optical path\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eStar Field Map\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Bitmap_image_9cf4ef03-c3f2-471d-8f17-6baad492496d.jpg?v=1780756718\" alt=\"Star field map\"\u003e\u003c\/p\u003e\n\u003ch2 data-end=\"281\" data-start=\"185\"\u003eAM5N Harmonic Drive Mount\u003c\/h2\u003e\n\u003cp data-end=\"647\" data-start=\"283\"\u003eThe \u003cstrong data-end=\"325\" data-start=\"287\"\u003eZWO AM5N Harmonic Equatorial Mount\u003c\/strong\u003e is a next-generation \u003cstrong data-end=\"381\" data-start=\"347\"\u003eharmonic drive telescope mount\u003c\/strong\u003e designed for serious astrophotography and advanced visual observing. Combining \u003cstrong data-end=\"492\" data-start=\"461\"\u003estrain wave gear technology\u003c\/strong\u003e, lightweight portability, and high-precision tracking, the AM5N delivers professional-level performance without the bulk of traditional equatorial mounts.\u003c\/p\u003e\n\u003cp data-end=\"878\" data-start=\"649\"\u003eIf you're searching for a \u003cstrong data-end=\"738\" data-start=\"675\"\u003elightweight equatorial mount with no counterweight required\u003c\/strong\u003e, exceptional tracking accuracy, and full ASCOM compatibility, the \u003cstrong data-end=\"817\" data-start=\"805\"\u003eZWO AM5N\u003c\/strong\u003e is one of the most advanced portable mounts available today.\u003c\/p\u003e\n\u003ch2 data-end=\"935\" data-start=\"885\"\u003eHarmonic Drive (Strain Wave Gear) Technology\u003c\/h2\u003e\n\u003cp data-end=\"1106\" data-start=\"937\"\u003eThe AM5N uses a \u003cstrong data-end=\"1002\" data-start=\"953\"\u003e300:1 reduction ratio strain wave gear system\u003c\/strong\u003e combined with synchronous belts and precision stepper motors to provide smooth, backlash-free tracking.\u003c\/p\u003e\n\u003cul data-end=\"1216\" data-start=\"1108\"\u003e\n\u003cli data-end=\"1132\" data-start=\"1108\"\u003e\n\u003cp data-end=\"1132\" data-start=\"1110\"\u003ePeriodic Error: \u0026lt; ±10\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1162\" data-start=\"1133\"\u003e\n\u003cp data-end=\"1162\" data-start=\"1135\"\u003eResolution: 0.17 arcseconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1188\" data-start=\"1163\"\u003e\n\u003cp data-end=\"1188\" data-start=\"1165\"\u003ePE Cycle Duration: 288s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1216\" data-start=\"1189\"\u003e\n\u003cp data-end=\"1216\" data-start=\"1191\"\u003eMax Slew Speed: 6°\/second\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1377\" data-start=\"1218\"\u003eThis makes the AM5N ideal for \u003cstrong data-end=\"1291\" data-start=\"1248\"\u003elong-exposure deep sky astrophotography\u003c\/strong\u003e, high-resolution planetary imaging.\u003c\/p\u003e\n\u003ch2 data-end=\"1437\" data-start=\"1384\"\u003eHigh Payload Capacity – No Counterweight Needed\u003c\/h2\u003e\n\u003cp data-end=\"1506\" data-start=\"1439\"\u003eDespite weighing only \u003cstrong data-end=\"1482\" data-start=\"1461\"\u003e5.5 kg (12.1 lbs)\u003c\/strong\u003e, the ZWO AM5N supports:\u003c\/p\u003e\n\u003cul data-end=\"1590\" data-start=\"1508\"\u003e\n\u003cli data-end=\"1550\" data-start=\"1508\"\u003e\n\u003cp data-end=\"1550\" data-start=\"1510\"\u003e\u003cstrong data-end=\"1550\" data-start=\"1510\"\u003e15 kg (33 lbs) without counterweight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1590\" data-start=\"1551\"\u003e\n\u003cp data-end=\"1590\" data-start=\"1553\"\u003e\u003cstrong data-end=\"1590\" data-start=\"1553\"\u003e20 kg (44 lbs) with counterweight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1778\" data-start=\"1592\"\u003eThis allows you to mount refractors, astrographs, or compact SCT setups without the complexity of heavy counterweight systems. For portable astrophotographers, this is a major advantage.\u003c\/p\u003e\n\u003ch2 data-end=\"1828\" data-start=\"1785\"\u003e Dual Mount Modes: Equatorial \u0026amp; Alt-Az\u003c\/h2\u003e\n\u003cp data-end=\"1855\" data-start=\"1830\"\u003eThe ZWO AM5N operates in:\u003c\/p\u003e\n\u003cul data-end=\"1976\" data-start=\"1857\"\u003e\n\u003cli data-end=\"1916\" data-start=\"1857\"\u003e\n\u003cp data-end=\"1916\" data-start=\"1859\"\u003e\u003cstrong data-end=\"1883\" data-start=\"1859\"\u003eEquatorial Mode (EQ)\u003c\/strong\u003e – optimized for astrophotography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1976\" data-start=\"1917\"\u003e\n\u003cp data-end=\"1976\" data-start=\"1919\"\u003e\u003cstrong data-end=\"1934\" data-start=\"1919\"\u003eAlt-Az Mode\u003c\/strong\u003e – ideal for visual observing and outreach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2047\" data-start=\"1978\"\u003eLatitude adjustment range: \u003cstrong data-end=\"2017\" data-start=\"2005\"\u003e0° – 90°\u003c\/strong\u003e\u003cbr data-end=\"2020\" data-start=\"2017\"\u003eAzimuth adjustment: \u003cstrong data-end=\"2047\" data-start=\"2040\"\u003e±6°\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2110\" data-start=\"2049\"\u003eCompatible with both \u003cstrong data-end=\"2109\" data-start=\"2070\"\u003eLosmandy and Vixen dovetail saddles\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-end=\"2160\" data-start=\"2117\"\u003eFull Connectivity \u0026amp; Smart Integration\u003c\/h2\u003e\n\u003cp data-end=\"2180\" data-start=\"2162\"\u003eThe AM5N supports:\u003c\/p\u003e\n\u003cul data-end=\"2291\" data-start=\"2182\"\u003e\n\u003cli data-end=\"2193\" data-start=\"2182\"\u003e\n\u003cp data-end=\"2193\" data-start=\"2184\"\u003e\u003cstrong data-end=\"2193\" data-start=\"2184\"\u003eASCOM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2214\" data-start=\"2194\"\u003e\n\u003cp data-end=\"2214\" data-start=\"2196\"\u003e\u003cstrong data-end=\"2214\" data-start=\"2196\"\u003eLX200 protocol\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2237\" data-start=\"2215\"\u003e\n\u003cp data-end=\"2237\" data-start=\"2217\"\u003e\u003cstrong data-end=\"2237\" data-start=\"2217\"\u003eUSB connectivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2249\" data-start=\"2238\"\u003e\n\u003cp data-end=\"2249\" data-start=\"2240\"\u003e\u003cstrong data-end=\"2249\" data-start=\"2240\"\u003eWi-Fi\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2265\" data-start=\"2250\"\u003e\n\u003cp data-end=\"2265\" data-start=\"2252\"\u003e\u003cstrong data-end=\"2265\" data-start=\"2252\"\u003eBluetooth\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2291\" data-start=\"2266\"\u003e\n\u003cp data-end=\"2291\" data-start=\"2268\"\u003e\u003cstrong data-end=\"2291\" data-start=\"2268\"\u003eST4 Autoguider Port\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2358\" data-start=\"2293\"\u003eIntegrated cable management keeps your setup clean and organized.\u003c\/p\u003e\n\u003ch2 data-end=\"2398\" data-start=\"2365\"\u003eBuilt for Extreme Conditions\u003c\/h2\u003e\n\u003cp data-end=\"2440\" data-start=\"2400\"\u003eOperating temperature: \u003cstrong data-end=\"2440\" data-start=\"2423\"\u003e-20°C to 40°C\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"2487\" data-start=\"2442\"\u003ePerfect for winter astrophotography sessions.\u003c\/p\u003e\n\u003cp data-end=\"2701\" data-start=\"2489\"\u003e⚠ Recommended input voltage: \u003cstrong data-end=\"2525\" data-start=\"2518\"\u003e12V\u003c\/strong\u003e\u003cbr data-end=\"2528\" data-start=\"2525\"\u003eIf voltage drops below 10.8V, the mount will emit an under-voltage warning beep. For optimal performance, use the official ZWO power adapter and properly rated power cables.\u003c\/p\u003e\n\u003cfigure\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0b0a42f26700d57b07306a79ef34b826.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003c\/a\u003e\u003c\/figure\u003e\n\u003cdiv\u003e\n\u003cdiv data-bg-url=\"\"\u003e\n\u003cfigure\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779.jpg\" alt=\"\" width=\"1200\" height=\"550\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-300x138.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-1024x469.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-768x352.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-370x170.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-840x385.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-410x188.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/08\/5106d585044a91b6498088cf9a34c779-730x335.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc.jpg\" alt=\"\" width=\"1200\" height=\"839\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-300x210.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-1024x716.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-768x537.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-370x259.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-840x587.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/044331f0cbdac5db0c6a4368d8d4fedc-410x287.jpg 410w, 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data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59.jpg\" alt=\"\" width=\"1200\" height=\"550\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-300x138.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-1024x469.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-768x352.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-370x170.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-840x385.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-410x188.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/0ab2f71deaa026a2afc5d439acee2b59-730x335.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da.jpg\" alt=\"\" width=\"1200\" height=\"800\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da-300x200.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da-1024x683.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/6fed2c7670b99b7f75fe210e107833da-768x512.jpg 768w, 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https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-300x150.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-1024x512.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-768x384.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-370x185.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-840x420.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-410x205.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/d68200ce9eeedf61ff0619c20d14499b-730x365.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717.jpg\" alt=\"\" width=\"1200\" height=\"750\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-300x188.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-1024x640.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-768x480.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-370x231.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-840x525.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-410x256.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/628a436ba2b64a35778d1e63083d9717-730x456.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705.jpg\" alt=\"\" width=\"1200\" height=\"487\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-300x122.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-1024x416.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-768x312.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-370x150.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-840x341.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-410x166.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-24x10.jpg 24w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-36x15.jpg 36w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-48x19.jpg 48w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/36f802dc26a34c34d77107d958fe7705-730x296.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv data-page-id=\"ZX7Bde1SEo6n51x6Xqcct37ynch\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003cp\u003eIt is recommended to use a counterweight of ≤5 kg. When using a 5 kg counterweight, the lever arm should be installed within the range of 20 cm to 30 cm.\u003c\/p\u003e\n\u003cp\u003eFor counterweights of other masses, the installation position can be calculated as follows:\u003c\/p\u003e\n\u003cp\u003eAssume the counterweight mass is m kg. The allowable lever arm length L is defined by:\u003c\/p\u003e\n\u003cp\u003e10 N·m ≤ m × g × L ≤ 15 N·m\u003c\/p\u003e\n\u003cp\u003ewhere g = 9.8 m\/s², which can be approximated as 10 m\/s². For example, if a 2 kg counterweight is used, the allowable range of L is from\u003c\/p\u003e\n\u003cp\u003e10 N·m \/ (2 × 10 m\/s²) = 0.5 m to\u003c\/p\u003e\n\u003cp\u003e15 N·m \/ (2 × 10 m\/s²) = 0.75 m.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/fdbf6e3399eba8206b5a7c3788967a6e.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/fdbf6e3399eba8206b5a7c3788967a6e.jpg\" alt=\"\" width=\"1200\" height=\"750\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/fdbf6e3399eba8206b5a7c3788967a6e.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/fdbf6e3399eba8206b5a7c3788967a6e-300x188.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/fdbf6e3399eba8206b5a7c3788967a6e-1024x640.jpg 1024w, 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srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-300x175.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-1024x597.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-768x448.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-370x216.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-840x490.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-410x239.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/d2af8b2579b609d8c7433f4dd5e38a33-730x426.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003c\/figure\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e.jpg\" rel=\"magnific\" data-elementor-open-lightbox=\"no\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e.jpg\" alt=\"\" width=\"1200\" height=\"580\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e-300x145.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e-1024x495.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e-768x371.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e-370x179.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2024\/07\/af76e0133b4c5d0cb5405961f8d0883e-840x406.jpg 840w, 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src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e.jpg\" alt=\"\" width=\"1200\" height=\"650\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-300x163.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-1024x555.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-768x416.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-370x200.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-840x455.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-410x222.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2022\/07\/4b0dd40fd76c776e5856e170be7d908e-730x395.jpg 730w\" sizes=\"(max-width: 1200px) 100vw, 1200px\"\u003e\u003c\/a\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cspan style=\"color: #000000;\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003e\u003cspan style=\"color: #000000;\"\u003eFF131 APO Refractor\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_parameters_8984e2ff-461e-43c1-b30f-4bea3f24bb30.jpg?v=1780756718\" alt=\"Technical parameters\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"western\" lang=\"en-US\"\u003eAM5N Mount\u003c\/h2\u003e\n\u003cdiv data-bg-url=\"\"\u003e\n\u003ctable style=\"width: 100.038%;\" class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3305\" data-start=\"70\"\u003e\n\u003cthead data-end=\"195\" data-start=\"70\"\u003e\n\u003ctr data-end=\"195\" data-start=\"70\"\u003e\n\u003cth style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"110\" data-start=\"70\"\u003e\u003cstrong data-end=\"85\" data-start=\"72\"\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 65.2365%;\" data-col-size=\"md\" data-end=\"195\" data-start=\"110\"\u003e\u003cstrong data-end=\"129\" data-start=\"112\"\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3305\" data-start=\"321\"\u003e\n\u003ctr data-end=\"444\" data-start=\"321\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"360\" data-start=\"321\"\u003e\u003cstrong data-end=\"337\" data-start=\"323\"\u003eMount type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"444\" data-start=\"360\" data-col-size=\"md\"\u003eHarmonic Drive Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"568\" data-start=\"445\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"484\" data-start=\"445\"\u003e\u003cstrong data-end=\"461\" data-start=\"447\"\u003eMount mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"568\" data-start=\"484\" data-col-size=\"md\"\u003eEquatorial\/Alt-Azimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"692\" data-start=\"569\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"608\" data-start=\"569\"\u003e\u003cstrong data-end=\"580\" data-start=\"571\"\u003eDrive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"692\" data-start=\"608\" data-col-size=\"md\"\u003eStrain Wave Gear + synchronous belt (300:1 reduction ratio)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"816\" data-start=\"693\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"732\" data-start=\"693\"\u003e\u003cstrong data-end=\"713\" data-start=\"695\"\u003ePeriodic error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"816\" data-start=\"732\" data-col-size=\"md\"\u003e\u0026lt; ±10\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"940\" data-start=\"817\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"856\" data-start=\"817\"\u003e\u003cstrong data-end=\"834\" data-start=\"819\"\u003ePE duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"940\" data-start=\"856\" data-col-size=\"md\"\u003e288s*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1071\" data-start=\"941\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"980\" data-start=\"941\"\u003e\u003cstrong data-end=\"957\" data-start=\"943\"\u003eDrive (RA)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1071\" data-start=\"980\" data-col-size=\"md\"\u003eStepper motor + synchronous belt + 17 type 100 reduction ratio strain wave gear + brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1195\" data-start=\"1072\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1111\" data-start=\"1072\"\u003e\u003cstrong data-end=\"1089\" data-start=\"1074\"\u003eDrive (DEC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1195\" data-start=\"1111\" data-col-size=\"md\"\u003eStepper motor + synchronous belt + 17 type 100 reduction ratio strain wave gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1319\" data-start=\"1196\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1235\" data-start=\"1196\"\u003e\u003cstrong data-end=\"1209\" data-start=\"1198\"\u003ePayload\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1319\" data-start=\"1235\" data-col-size=\"md\"\u003e15kg (without counterweight) \/ 20kg (with counterweight) @25cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1443\" data-start=\"1320\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1359\" data-start=\"1320\"\u003e\u003cstrong data-end=\"1338\" data-start=\"1322\"\u003eMount weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1443\" data-start=\"1359\" data-col-size=\"md\"\u003e5.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1567\" data-start=\"1444\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1483\" data-start=\"1444\"\u003e\u003cstrong data-end=\"1475\" data-start=\"1446\"\u003eLatitude adjustment range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1567\" data-start=\"1483\" data-col-size=\"md\"\u003e0° - 90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1691\" data-start=\"1568\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1607\" data-start=\"1568\"\u003e\u003cstrong data-end=\"1598\" data-start=\"1570\"\u003eAzimuth adjustment range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1691\" data-start=\"1607\" data-col-size=\"md\"\u003e±6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1815\" data-start=\"1692\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1731\" data-start=\"1692\"\u003e\u003cstrong data-end=\"1713\" data-start=\"1694\"\u003eDovetail saddle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1815\" data-start=\"1731\" data-col-size=\"md\"\u003eLosmandy \u0026amp; Vixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"1937\" data-start=\"1816\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1861\" data-start=\"1816\"\u003e\u003cstrong data-end=\"1860\" data-start=\"1818\"\u003eInterface thread for counterweight bar\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"1937\" data-start=\"1861\" data-col-size=\"md\"\u003eM12 × 1.75 coarse teeth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2061\" data-start=\"1938\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"1977\" data-start=\"1938\"\u003e\u003cstrong data-end=\"1954\" data-start=\"1940\"\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2061\" data-start=\"1977\" data-col-size=\"md\"\u003e0.17\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2185\" data-start=\"2062\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2101\" data-start=\"2062\"\u003e\u003cstrong data-end=\"2082\" data-start=\"2064\"\u003eMax slew speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2185\" data-start=\"2101\" data-col-size=\"md\"\u003e6°\/S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2309\" data-start=\"2186\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2225\" data-start=\"2186\"\u003e\u003cstrong data-end=\"2202\" data-start=\"2188\"\u003eSlew speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2309\" data-start=\"2225\" data-col-size=\"md\"\u003e0.5x, 1x, 2x, 4x, 8x, 20x, 60x, 720x, 1440x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2434\" data-start=\"2310\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2349\" data-start=\"2310\"\u003e\u003cstrong data-end=\"2326\" data-start=\"2312\"\u003ePower port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2434\" data-start=\"2349\" data-col-size=\"md\"\u003eDC5.5 - 2.1 (12V - 3A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2560\" data-start=\"2435\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2474\" data-start=\"2435\"\u003e\u003cstrong data-end=\"2458\" data-start=\"2437\"\u003ePower consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2560\" data-start=\"2474\" data-col-size=\"md\"\u003eStandby: 12V\/0.5A, Tracking: 12V\/0.7A, GOTO: 12V\/1.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2684\" data-start=\"2561\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2600\" data-start=\"2561\"\u003e\u003cstrong data-end=\"2582\" data-start=\"2563\"\u003eAuto Guide port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2684\" data-start=\"2600\" data-col-size=\"md\"\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2808\" data-start=\"2685\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2724\" data-start=\"2685\"\u003e\u003cstrong data-end=\"2704\" data-start=\"2687\"\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2808\" data-start=\"2724\" data-col-size=\"md\"\u003eUSB\/Wi-Fi\/Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"2932\" data-start=\"2809\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2848\" data-start=\"2809\"\u003e\u003cstrong data-end=\"2828\" data-start=\"2811\"\u003eZero position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"2932\" data-start=\"2848\" data-col-size=\"md\"\u003eMechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3057\" data-start=\"2933\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"2972\" data-start=\"2933\"\u003e\u003cstrong data-end=\"2948\" data-start=\"2935\"\u003eOperating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"3057\" data-start=\"2972\" data-col-size=\"md\"\u003e-20°C - 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3181\" data-start=\"3058\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"3097\" data-start=\"3058\"\u003e\u003cstrong data-end=\"3079\" data-start=\"3060\"\u003ePower-off brake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-end=\"3181\" data-start=\"3097\" data-col-size=\"md\"\u003eRA axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3305\" data-start=\"3182\"\u003e\n\u003ctd style=\"width: 34.5473%;\" data-col-size=\"sm\" data-end=\"3221\" data-start=\"3182\"\u003e\u003cstrong data-end=\"3204\" data-start=\"3184\"\u003eCable Management\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 65.2365%;\" data-col-size=\"md\" data-end=\"3305\" data-start=\"3221\"\u003eSupport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv data-bg-url=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3 class=\"western\" lang=\"en-US\"\u003eIn the Box\u003c\/h3\u003e\n\u003ch2\u003eRefractor\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFF131APO Telescope\u003c\/li\u003e\n\u003cli\u003ePhotography Extension Tube\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003cli\u003eInspection Sheet\u003c\/li\u003e\n\u003cli\u003eWarranty Card\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMount\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCarrying Case\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAM5N Mount\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2m USB2.0 cable (Type-B to Type-A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1-meter USB 2.0 Cable (Type-C to Type-A)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePerformance Sheet (Periodic error test report)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eQuick Start Guide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHand Controller\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eM6 Allen key\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eTripod\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eTC40 (Free)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003ePier\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePE200 (Free)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManuals \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/astronomyplus.com\/fr\/pages\/zwo-warranty?_pos=1\u0026amp;_psq=zwo+warranty\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener\" target=\"_blank\"\u003eZWO 2-Years Warranty\u003c\/a\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49513118236901,"sku":"ZWO-FF131+AM5N","price":5639.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Creationsanstitre_4_5e44542a-3812-4da8-86c8-7a7917d30c6d.png?v=1781130619","url":"https:\/\/astronomyplus.com\/products\/zwo-ff131-apo-with-am5n-bundle-free-tc40-and-pe200-ff131-am5n","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}