Accessory · MSRP $219
Sharpstar 61EDPH III f/4.4 Full-Frame Reducer
Key specifications
| Accessory type | Flattener/Reducer |
|---|---|
| Weight | 0.4 kg |
All specifications
| Interface | M68x1 front; M48x0.75 rear, M54x0.75 under adapter |
|---|---|
| Compatible with | Sharpstar 61EDPH III |
About
A quadruplet air-spaced full-frame reducer for the Sharpstar 61EDPH III, taking it to 270 mm at f/4.4 over a 44 mm circle. It threads M68x1 to the focuser and M48x0.75 at the camera, with a 55 mm back focus.