ZWO 0.75x REDUCER FOR FF65
ZWO
ZWO 0.75x REDUCER FOR FF65 is backordered and will ship as soon as it is back in stock.
The ZWO 0.75x Flattener/Reducer for the FF65 is a 2.5" corrector for full frame sensors. The flattener/reducer is a quadruplet design with one element of ED (Extra-low Dispersion) glass. The 0.75x reduction factor shortens the focal ratio of the FF65 to f/4.8, shortening the exposure time and increasing the field of view.
When paired with this flattener/reducer, the focal length of the FF65 becomes 312mm, transforming it into an extremely capable widefield astrograph. The flattener/reducer has a backfocus requirement of 55mm, making it straightforward to connect common imaging trains. An internal M48 x 0.75 thread allows you to attach standard 2" filters.
Specifications
| Reduction factor | 0.75 x |
|---|---|
| Telescope connection | TBD |
| Camera connection | M54 x 0.75, M48 x 0.75 (with built-in 2" filter thread) |
| Image circle | Full frame |
| Backfocus distance | 55 mm |
| Weight | TBD |
| SKU | ZWO-F65RE |
Instructions
1. Remove the reducer from its packaging.
2. Unscrew the eyepiece holder from the end of the FF65 telescope tube.
3. Unscrew the dust cap from the front of the reducer.
4. Insert the reducer into the focuser and screw in to the rear threads on the drawtube.
