ZWO FF65 Overview
Designed for astrophotography but also great for observation, the FF65 APO Astronomical Telescope from ZWO features a quintuplet air-spaced apochromatic lens system that eliminates the need to use a separate field flattener. The quint APO has two extra-low dispersion elements and dramatically reduces chromatic aberration. It also eliminates the need to calculate back focus distancejust attach your camera with one of the four included adapters and you’re ready for imaging. The f/6.4 focal ratio and 416mm focal length lend themselves to deep-sky photography, but add a diagonal with a high-magnification eyepiece and the scope is great for planetary observation.
Optical Tube Assembly
- f/6.4 focal ratio and 416mm focal length allow for both deep-sky and planetary imaging
- Quintuplet air-spaced apochromatic refractor design with two ED elements produces rich views with minimal chromatic aberration
- APO is self-flattening, eliminating the need for a separate field flattener
- Supports 44mm image circle for full-frame cameras
- Fine spot diagram with tiny distortion of peripheral stars and under-2.5 central RMS radius
Focuser
- Sturdy 2.5″ rack-and-pinion design can easily carry larger and heavier eyepieces, accessories like Barlows and focal reducers, and imaging systems
- 360 rotator with scales and finder base
- 10:1 fine adjustment ratio
Use and Handling
- Anodized red handle and tube ring assembly, can be detached and reinstalled in seconds
- Handle has M6 screw holes for attaching accessories
- M68, M54, and M48 camera adapters
Items Included
- ZWO FF65mm Astronomical Telescope
- M68 Camera Adapter
- M54 Camera Adapter
- M48 Camera Adapter
- 2 x Tube Ring
- Handle
- Vixen/Losmandy Dovetail Plate
- Limited 2-Year Manufacturer Warranty
Additional Resources
User Manual
5.7 MB
ZWO FF65 Specs
Key Specs
| Optical Design | Refractor |
| Aperture | 65mm / 2.6″ |
| Focal Length | 416 mm |
| Focal Ratio | f/6.4 |
| Focuser | Dual-Speed Rack-and-Pinion |
| Weight | 6.2lb / 2.8kg |
Optical Tube Assembly
| Optical Design | Refractor |
| Aperture | 65mm / 2.6″ |
| Focal Length | 416 mm |
| Focal Ratio | f/6.4 |
| Focuser | Dual-Speed Rack-and-Pinion |
| Diagonal | No |
| Finderscope | No |
| Mounting | Vixen Style |
| Optical Tube Dimensions | 12.9″ / 328mm |
| Payload Capacity | No |
| Altitude Adjustment | No |
| Latitude Adjustment | No |
| Counterweight | No |
| Mobile App Compatible | No |
| Weight | 6.2lb / 2.8kg |
Packaging Info
| Package Weight | 8.295 lb |
| Box Dimensions (LxWxH) | 15.6 x 10.8 x 7.9″ |
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