{"id":15292,"date":"2025-07-05T14:59:46","date_gmt":"2025-07-05T12:59:46","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=15292"},"modified":"2026-05-18T16:26:06","modified_gmt":"2026-05-18T14:26:06","slug":"zwo-ff65-apo-65-416-quintuplet-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-ff65-apo-65-416-quintuplet-ota\/","title":{"rendered":"ZWO FF65 APO 65\/416 Quintuplet OTA"},"content":{"rendered":"

The ZWO FF65 APO 65\/416 Quintuplet OTA is a compact, lightweight astrograph designed specifically for serious astrophotography with full-frame cameras. Thanks to the innovative five-lens design (quintuplet)<\/strong> this telescope offers a flat field of view without the need for additional flatteners or distance calculations. Ideal for those who want to start sharp deep-sky shots without detours.<\/p>\n\n\n\n

Key benefits<\/strong>
\u2713 Flat field of view without separate flattener or corrector lens
\u2713 Quintuplet design with 2x ED glass for color-fast shots
\u2713 Supports full-frame sensors up to 44 mm image circle
\u2713 Rotatable focuser with 1:10 micro adjustment for precise focusing
\u2713 Light, compact and easy to carry
\u2713 Includes adapter set for M48, M54 and M68 camera connectors<\/p>\n\n\n\n

What makes this telescope special<\/strong>
The FF65 is a so-called flatfield astrograph: a refractor built specifically for astrophotography, not visual use. Instead of a standard quad system, ZWO here opts for a quintuplet<\/strong>, or five lens elements in total. Two of them are made of ED glass, which virtually eliminates chromatic aberration (color fringing).<\/p>\n\n\n\n

The plane field correction is internally integrated<\/strong>, No need to buy a separate flattener or take complicated back focus measurements. Just connect your camera via one of the included adapters, focus, and you're ready to shoot - with sharp stars all the way to the image edge.<\/p>\n\n\n\n

Ease of use and flexibility<\/strong>
The focuser is 2.5 inches in diameter and features a 1:10 micro-adjustment<\/strong>, which makes accurate focusing easy. You can rotate it 360\u00b0 to perfectly frame your composition without losing focus.<\/p>\n\n\n\n

With three included adapters (M48, M54 and M68), the telescope is suitable for almost all common astro cameras. There is a fixed backfocus distance for each type of connection, so you know immediately how to position your camera.<\/p>\n\n\n\n

Build quality and mobility<\/strong>
With only 2.8 kg<\/strong> this OTA is ideally suited for mobile setups. The tube is all aluminum, equipped with an extendable dew cap, Vixen swallowtail, tube rings, handle and accessory shoe. Thanks to its short tube length of 420 mm, it fits into compact cases or backpacks without sacrificing optical performance.<\/p>\n\n\n\n

Application in practice<\/strong>
The ZWO FF65 is ideal for astrophotographers who want to capture deep-sky objects in high quality from the garden, balcony or while traveling. Think emission nebulae, clusters, star fields or the Milky Way. Due to the high image quality also suitable for moon or planet shots with barlow lens or cropped sensor. Not intended for nature observation or visual use.<\/p>\n\n\n\n

Technical specifications (practically translated)<\/strong>
Optical design: quintuplet with internal field correction (flatfield astrograph)
Field of view: flat to 44 mm (full-frame capable)
Focal length: 416 mm
Aperture ratio: f\/6.4
Focuser: 2.5\u2033, rack & pinion, microfocus 1:10, 360\u00b0 rotatable
Backfocus (from thread):
- M48: 176 mm
- M54: 105 mm
- M68: 130 mm
Tube weight: 2.8 kg
Length: 420 mm (328 mm transport length)
Included: tube rings, Vixen swallowtail, adapters M48\/M54\/M68, handle, accessory shoe<\/p>","protected":false},"excerpt":{"rendered":"

\u00a0<\/p>\n

ZWO FF65 APO 65\/416 quintuplet OTA with built-in correction and ED glass. Fully flat field of view up to full-frame size. Lightweight, compact and ready for astrophotography.<\/p>","protected":false},"featured_media":21046,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[123],"product_cat":[567,428,3175,51],"product_tag":[],"class_list":["post-15292","product","type-product","status-publish","has-post-thumbnail","product_brand-zwo","product_cat-refractor-telescopen","product_cat-telescopen-voor-astrofotografie","product_cat-refractor-ota","product_cat-telescopen","product_shipping_class-licht","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":15274,"url":"https:\/\/www.telescoop.nl\/en\/zwo-ff65-apo-bundel-met-am3-en-carbon-statief\/","url_meta":{"origin":15292,"position":0},"title":"ZWO FF65 APO Bundle with AM3 and Carbon Tripod","author":"Info telescoop","date":"05-07-2025","format":false,"excerpt":"\u00a0 ZWO FF65 APO Bundle with AM3 and Carbon Tripod comes with ZWO FF65 APO quintuplet refractor (65 mm, 416 mm focal length, flat field of view for full-frame), ZWO AM3 mount (harmonic drive, up to 8 kg carrying capacity without counterweight), stable carbon tripod (50 kg carrying capacity, weight container) and adapters (M48, M54, M68).","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO FF65 APO Bundle mit AM3 und Carbon Stativ","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Telescoop-FF65-AP-65-416-Vijfling-met-AM3-en-Carbon-Statief.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15272,"url":"https:\/\/www.telescoop.nl\/en\/zwo-reducer-075x-voor-ff65-apo\/","url_meta":{"origin":15292,"position":1},"title":"ZWO Reducer 0.75x for FF65 APO","author":"","date":"05-07-2025","format":false,"excerpt":"\u00a0 ZWO Reducer 0.75x for FF65 APO shortens the focal length and enlarges the field of view. 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