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Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
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30 Day Return Policy
Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.
Price Match Promise
Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Recommended Accessories
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Why we love the ZWO FF 65 APO Refractor Telescope (ZWO-FF65-APO)
Product Description
ZWO FF65 APO Astronomical telescope
The ZWO FF65 APO is a refractive astrograph with the powerful flatfield optical design which saves you from the expensive cost of a field flattener. It eliminates the trouble of calculating the back focus distance of the flattener and connecting various accessories to achieve that distance. You can just connect any possible accessories you need. As long as the target is focused, the whole optical system is perfect for imaging. This makes the whole setting up process much more convenient, and saves your time, allowing you to pay more attention to the image shooting itself.
The FF65 APO is also a nice choice for your visual observation. It fits diagonals as well as various eyepieces and can achieve a perfect focus, and can even be used to observe planets with a super-high magnification eyepiece.
The whole design of the telescope is compact and lightweight. The OTA weighs only 2kg, and the full package with tube rings and other accessories weighs 2.8kg. It has an aperture of 65mm. The focal ratio is f/6.4 and focal length is 416mm. Instead of the quadruplet structure of other ZWO FF APO telescopes, the FF65 APO is a quintuplet with two ED glasses which offers excellent control of chromatic and other aberrations.
The FF65 APO supports the full-frame imaging circle and has a fine spot diagram with tiny distortions of the peripheral stars. The 2.5" rigid focuser comes with a new-type 360 degree rotator with scales and a finder base. M68, M54, and M48 camera adapters are also attached, and the M48 adapter has a 2" female thread for installing filters.
Quintuplet air-spaced APO
FF65 APO is a quintuplet with two ED glasses which offers excellent control of chromatic and other aberrations
44mm image circle
FF65 APO supports full frame cameras, such as AS16200, which gives you a larger field of view. The stars are small and round with a central RMS radius of 2.5um.
Support for full frame cameras
Self-flattening design
No need for a separate field flattener, FF65 APO eliminates the trouble of calculating the back focus distance of the flattener and connecting various accessories to achieve that distance. You can just connect any possible accessories you need. As long as the target is focused, the whole optical system is perfect for imaging.
Easy-to-use Design
Extension-type hood
ZWO FF65 APO is equipped with a telescopic lens hood, a high-quality CNC machined and painted tube. The lens hood can be fixed with thumb screws to avoiding from sliding.
Detachable tube ring
The telescope' s tube ring can be easily detached and re-installed in seconds.
Various adapters
The FF65 APO also features three different threaded connections for connecting a camera or accessories: M48, M54, and M68. The M48 adapter features a female thread inside for attaching 2" filters.
Coarse & fine focus adjustment
The ZWO FF65 APO features a large 2.5" rack and pinion focuser that is directly compatible with the ZWO EAF without the need for additional adapters. In front of the focuser is a 360-degree rotator for easily dialing in the framing of your deep sky.
What can I see with a ZWO FF 65 APO Refractor Telescope (ZWO-FF65-APO)?
Here are some simulated views of common objects. Results with your telescope will vary with viewing conditions, obrits, equipment and more.
Jupiter with
25mm Eyepiece - 17x Magnification
(Sold Separately)
Jupiter with
10mm Eyepiece - 42x Magnification
Sold Separately
Jupiter with
5mm Eyepiece - 83x Magnification
Sold Separately
Moon with 25mm Eyepiece
17x Magnification
(Sold Separately)
Moon with 10mm Eyepiece
42x Magnification
Sold Separately
Moon with 5mm Eyepiece
83x Magnification
Sold Separately
Andromeda with 36mm Eyepiece
12x Magnification
Sold Separately
Andromeda with 25mm Eyepiece
17x Magnification
(Sold Separately)
Andromeda with 10mm Eyepiece
42x Magnification
Sold Separately
What's in the Box
Specifications
| Aperture size | 65mm |
| Focal Length | 416mm |
| Focal Ratio | f/6.4 |
| Observing mode focal length | 121mm |
| Net Weight | 2kg |
| Gross Weight | 2.8kg |
| Image Circle | 44mm |
| Objective Lens | Quintuplet air-spaced APO (including two ED glass) |
| Imaging Mode | 76mm (form the base of the M48x0.75 make thread) 105mm (from the base of the M54x0.75 male thread) 130mm (from the base of the M86x1 male thread |
| Read-end thread type | M68x1-M54x0.75 M54x0.75-M54x0.75 M54x0.75-M48x0.75 (M48x0.75 filter thread inside) |
| Total Length | 328mm (including 1.25" eyepiece holder and dew shield contracted) 360mm (including the 3-piece adapter and dew shield contracted) 388mm (including 1.25" eyepiece holder and dew shield fully stretched) 420mm (including the 3-piece adapter and dew shield fully stretched) |
| Read end of the 3-piece photographic adapters | M48x0.75 |
