{"product_id":"zwo-ff90-apo-with-am3n-bundle-free-tc40-and-pe160-ff90-am3n","title":"ZWO FF90 APO with AM3N Bundle + FREE TC40 and PE160 (FF90+AM3N)","description":"\u003ch1\u003eZWO FF90 APO Refractor with AM3N Bundle\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan style=\"color: rgb(242, 13, 13);\"\u003e\u003cstrong\u003eGet a FREE TC40 and PE160\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2\u003eFF90 APO Refractor \u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Principal_KV_4ed1c655-c6f1-40c3-98ac-e247765b6d43.jpg?v=1780693679\" alt=\"ZWO FF90 APO Refractor\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003eThe ZWO FF90 APO Refractor is a lightweight, compact refractor telescope designed for visual observation and astrophotography.\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/90icon.jpg?v=1780693931\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\"\u003e*Focus is achieved within a 45–75 mm back focus range, measured from the M54–M48 interface shoulder.\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\u003eMain Features\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Highlights_43d7f907-8f1e-47ef-a6e5-698352b53495.jpg?v=1780693961\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp lang=\"en-US\" class=\"western\" align=\"center\"\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 lang=\"en-US\" class=\"western\" align=\"center\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Scene_c6263b49-aa27-4f5b-9655-07e113681cdc.jpg?v=1780694009\" alt=\"\"\u003e\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\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003ePowerful Uniqueness\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e1. Lightweight \u0026amp; Compact\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThis unit features a 90 mm aperture and 609 mm focal length (f\/6.8) for portability and performance.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe optical tube weighs 3.92 kg. Total system weight is 4.52 kg including the mounting rings and dovetail plate.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Lightweight_Compact_13793a5b-caf8-432b-94cc-e8ffc9b9fdd1.jpg?v=1780694128\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e2. Four-Element Optical Design\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eThe optics use a four-element, air-spaced apochromatic design. All elements work together to deliver a flat imaging field.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eOne ED glass element effectively reduces chromatic aberration. This results in superior color correction and image clarity.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Four-Element_Optical_Design_e21edac7-906e-479e-8793-7c2251ea5f98.jpg?v=1780694212\"\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e3. 44 mm Image Circle — Full-Frame Support\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eWith a 44 mm image circle, the unit supports full-frame sensors. It is ideal for use with an asiair pro for smart control.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eIt delivers sharp star fields with excellent edge-to-edge performance. This ensures consistent quality across the frame.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Full-Frame_Support_d04b1df0-0590-440c-84d5-19bccf4d7dbf.jpg?v=1780694237\"\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e \u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e4. Native Flat-Field Design\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe optical system features a native flat-field design. This eliminates the need for an additional field flattener.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eComplex back focus calculations are not required. Simply attach your imaging setup and start capturing once focused.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus.jpg?v=1780694266\"\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\u003eConvenient Mechanical Design\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e5. Coarse \u0026amp; Fine Focus Adjustment\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eEquipped with a rigid 3-inch rack-and-pinion focuser, it offers precise 1:10 dual-speed coarse and fine adjustments.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eA built-in 360° rotator at the rear allows for smooth, accurate camera angle adjustments during your session.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Focus_adjustment_65f277d8-7f07-4d82-9d47-c3d3ad3e024d.jpg?v=1780694528\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e6. Retractable Dew Shield\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThis model features a retractable dew shield for portability. This helps protect your optical tube in the field.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003ePrecision CNC machining and internal anti-reflection coatings help minimize stray light to enhance image contrast.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e7. Quick-Release Mounting Rings\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eThe mounting rings are detachable. This allows for quick and easy setup or teardown at any dark site.\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Clamp_174524b0-f367-4b56-acc7-db9975607562.jpg?v=1780694579\"\u003e\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e8. Photography Extension Tube\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eThe package includes a photography extension tube with a 2-inch filter thread and M48 and M54 adapters.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003eThese components allow for easy integration with a wide range of modern imaging accessories and cameras.\u003c\/p\u003e\n\u003cp align=\"left\" class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Photography_Extension_Tube.jpg?v=1780694659\"\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\u003ePerformance Charts\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eOptical Layout\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Optical_path_diagram.jpg?v=1780694759\"\u003e\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003eStar Field Map\u003c\/p\u003e\n\u003cp class=\"western\" lang=\"en-US\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Bitmap_image_2af8e94d-3bb3-433b-8c9d-fc903703cdd4.jpg?v=1780694795\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eAM3N Mount\u003c\/h2\u003e\n\u003ch4\u003e\u003cspan style=\"color: #ec1f15;\"\u003e\u003cstrong\u003ePlease Note : Power cable not included: \u003ca href=\"https:\/\/astronomyplus.com\/products\/zwo-ac-dc-12v-5a-adapter?_pos=3\u0026amp;_sid=70b9feb85\u0026amp;_ss=r\" target=\"_blank\"\u003eZWO-DC12V5A-US \u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/1_a8c325f8-a319-41e5-8274-d7093676a8f6_1024x1024.jpg?v=1756304250\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eWhy AM3N ?\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/2_02665794-e286-4402-91aa-87844a3ae930_1024x1024.jpg?v=1756304292\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eAM3N vs AM3\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/3_912f7f43-e768-4fae-a111-b7f16da2499d_1024x1024.jpg?v=1756304328\"\u003e\u003c\/div\u003e\n\u003cp\u003eEngineered for simplicity: two cables deliver a clean, efficient setup that gets you imaging faster than ever.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/4_ae2d7fe2-8090-4653-bec4-d5794667d0c3_1024x1024.jpg?v=1756304371\"\u003e\u003c\/div\u003e\n\u003ch2\u003eStrain Wave Gears for Precision Control\u003c\/h2\u003e\n\u003cp\u003eAstrophotography demands both stability and accuracy, and the adoption of a custom-engineered strain wave gear system addresses these needs directly. The gear train is designed to minimize periodic error, provide exceptionally smooth motion, and deliver high torque capacity—factors critical for long-exposure imaging.\u003c\/p\u003e\n\u003cp\u003eWithin the mount, a strain wave gear reducer works in concert with a synchronous belt drive, yielding precise control and a notable 300:1 reduction ratio. Each unit undergoes individual testing, and a periodic error (PE) curve report is supplied with every mount, offering users verified performance data for confidence in the field.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/5_0c62feb5-3d9c-4af1-b4e2-97d1f5a1c212_1024x1024.jpg?v=1756304411\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eZWO Quality Control\u003c\/h2\u003e\n\u003cp\u003eZWO measures each mount and equips it with an exclusive PE curve before it leaves our factory.\u003c\/p\u003e\n\u003cp\u003eThe X-axis represents the drive angle, and the Y-axis shows the periodic error, which is consistently maintained within ±15 arcseconds.\u003c\/p\u003e\n\u003ch2\u003eIntegrated Type-C and DC Power Ports\u003c\/h2\u003e\n\u003cp\u003eThe upgraded AM3N weighs just 4.1 kg (9.04 lbs), with a newly optimized design for improved portability and cable management. The dovetail saddle now integrates Type-C and 12V DC ports to minimize clutter, while a magnetic hex key attaches directly to the mount for convenient storage.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/6_dc40704b-8d88-4f10-8dc1-be21cce35250_1024x1024.jpg?v=1756304502\"\u003e\u003c\/div\u003e\n\u003ch2\u003ePowerful Payload Capacity: 8 –13 kg\u003c\/h2\u003e\n\u003cp\u003eThe mount supports up to 8 kg (17.6 lbs) without counterweights—double its own weight—and up to 13 kg (28.7 lbs) with counterweights, more than triple its weight.\u003c\/p\u003e\n\u003cp\u003eThis payload capacity easily accommodates a wide range of telescopes, providing a stable and reliable foundation for your viewing and imaging needs.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/7_e707c72c-ba6c-4956-ad88-f007ddd6559f_1024x1024.jpg?v=1756304558\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/8_041a2908-fc2b-447d-beca-2f24ce238f56_1024x1024.jpg?v=1756305566\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003ca data-elementor-open-lightbox=\"no\" class=\"inited\" rel=\"magnific\" href=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452.jpg\"\u003e\u003cimg sizes=\"(max-width: 1200px) 100vw, 1200px\" srcset=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452.jpg 1200w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-300x122.jpg 300w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-1024x416.jpg 1024w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-768x312.jpg 768w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-370x150.jpg 370w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-840x341.jpg 840w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-410x166.jpg 410w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-24x10.jpg 24w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-36x15.jpg 36w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-48x19.jpg 48w, https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452-730x296.jpg 730w\" height=\"487\" width=\"1200\" alt=\"\" src=\"https:\/\/i.zwoastro.com\/wp-content\/uploads\/2026\/03\/f726ab5ad965e0a36b11ba9f899e6452.jpg\" class=\"alignnone size-full wp-image-90986\" decoding=\"async\" loading=\"lazy\"\u003e\u003c\/a\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.\u003cbr\u003eFor counterweights of other masses, the installation position can be calculated as follows:\u003cbr\u003eAssume the counterweight mass is m kg. The allowable lever arm length L is defined by:\u003cbr\u003e10 N·m ≤ m × g × L ≤ 15 N·m\u003cbr\u003ewhere g = 9.8 m\/s², which can be approximated as 10 m\/s².\u003cbr\u003eFor example, if a 2 kg counterweight is used, the allowable range of L is from\u003cbr\u003e10 N·m \/ (2 × 10 m\/s²) = 0.5 m to\u003cbr\u003e15 N·m \/ (2 × 10 m\/s²) = 0.75 m.\u003c\/p\u003e\n\u003ch2\u003eEquatorial Mode \/ Alt-azimuth Mode\u003c\/h2\u003e\n\u003cp\u003eCan be switched via SkyAtlas App or Hand Controller.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/10_8c408de1-3485-497b-b771-123a01b7d9a5_1024x1024.jpg?v=1756305665\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/11_244f3ea3-7ab3-4f4c-8e17-e3a68bfdd189_1024x1024.jpg?v=1756305689\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eStatus Light Indicator\u003c\/h2\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/12_9cc48b95-2ce1-4c6e-b577-fdf66b91e9bb_1024x1024.jpg?v=1756307038\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eAll-round 0°-90° Altitude Scale\u003c\/h2\u003e\n\u003cp\u003eThe AM3N features a versatile altitude adjustment design ranging from 0° to 90°, allowing for unrestricted use across both low-and high-latitude regions.\u003c\/p\u003e\n\u003cp\u003eGear 1: Rotate the altitude tension knob for adjustment between 0 and 60.\u003cbr\u003eGear 2: Loosen the M6 hex screw, and allows adjustment from 30 and 90.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/13_903fd561-8591-4326-b0d8-bcd5c6ec2f8a_1024x1024.jpg?v=1756307666\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eEvolved Portable Control Wi-Fi \u0026amp; Bluetooth Connectivity\u003c\/h2\u003e\n\u003cp\u003eThe AM3N supports Bluetooth control, enabling direct smartphone control — no Hand Controller required.  Wi-Fi functionality is available through the hand controller, which contains the WiFi transmitter. Ideal for travel and field use, just bring your phone and you're ready to observe or image.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/14_e6ccc5c1-2233-4e3b-b17e-886c2b1955a2_1024x1024.jpg?v=1756308221\"\u003e\u003c\/div\u003e\n\u003ch2\u003eWireless Control via Mobile Apps\u003c\/h2\u003e\n\u003cp\u003eOperate the mount directly from your phone with an intuitive app featuring an on-screen joystick, Tonight’s Target, GOTO, Live Preview, and more. \u003c\/p\u003e\n\u003cp\u003eThe mount is compatible with ASCOM, INDI, ASIAIR, and other platforms.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/15_59030bbf-300c-42af-a924-870fb94ec569_1024x1024.jpg?v=1756308262\"\u003e\u003c\/div\u003e\n\u003ch2\u003eSeamless ASIAIR Integration\u003c\/h2\u003e\n\u003cp\u003eExperience astrophotography at its best with the ZWO Ecosystem—where every component works together in perfect harmony.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/16_1024x1024.jpg?v=1756308295\"\u003e\u003c\/div\u003e\n\u003ch3 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\u003eTechnical Specifications\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003eFF90 APO Refractor \u003c\/h2\u003e\n\u003ch3 lang=\"en-US\" class=\"western\" align=\"left\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Product_parameters_c49055f5-22f3-458f-b2b6-f06b0c8a8928.jpg?v=1780694955\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch2\u003eAM3N Mount\u003c\/h2\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHarmonic Drive Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEquatorial \/ Altazimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStrain Wave Gear + Synchronous Belt (300:1 reduction ratio)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeriodic Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ ±15″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePE Duration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e288 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePayload Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 kg (17.64 lbs) without counterweight13 kg (28.66 lbs) with counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMount Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.1 kg (9.04 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAltitude Adjustment Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°–90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAzimuth Adjustment Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±6°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDovetail Saddle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLosmandy \u0026amp; Vixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003ch2\u003eRefractor\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFF90 APO 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\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\u003eAM3N 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\u003e2m Hand Controller Cable\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\u003ePE160 (Free)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"https:\/\/astronomyplus.com\/pages\/zwo-warranty\" target=\"_blank\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"font-family: Helvetica Neue, serif;\"\u003e\u003cspan style=\"font-size: medium;\"\u003eZWO 2-Year Warranty\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":49513075638501,"sku":"ZWO-FF90+AM3N","price":3529.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Creationsanstitre_1_981f01cc-ff2d-414d-9a20-f0c637aaaa50.png?v=1781127867","url":"https:\/\/astronomyplus.com\/products\/zwo-ff90-apo-with-am3n-bundle-free-tc40-and-pe160-ff90-am3n","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}