Accessory · MSRP $329
Askar 140APO 1x Full-frame Flattener
Key specifications
| Accessory type | Flattener/Reducer |
|---|---|
| Weight | 0.79 kg |
All specifications
| Interface | M92x1 front; M68x1, M54x0.75, M48x0.75 rear adapters |
|---|---|
| Compatible with | Askar 140APO |
About
A triplet 1.0x field flattener for the Askar 140APO. It leaves the focal ratio at f/7 while correcting field curvature and coma across a 44 mm full-frame circle, with a standard 55 mm back focus.