Accessory · MSRP $229
William Optics FLAT 61A
Key specifications
| Accessory type | Flattener/Reducer |
|---|---|
| Weight | 0.273 kg |
| Path length | 39.5 mm |
All specifications
| Interface | M54x0.75 telescope side; M48x0.75 T-mount camera side |
|---|---|
| Compatible with | GS-61, Z-61 |
About
A 1.0x field flattener of two elements in two groups, threading to the telescope at M54x0.75 and presenting an M48x0.75 T-mount to the camera. Covers full frame; the flattener itself is 39.5 mm long, plus 19 mm for the rotator/adapter.