OTA · MSRP $898
William Optics MiniCat 51 WIFD
Key specifications
| Aperture | 51 mm |
|---|---|
| Focal length | 178 mm |
| Focal ratio | f/3.5 |
| Optical design | Other |
| Back focus | 58 mm |
| Weight | 1.67 kg |
All specifications
| Focuser type | WIFD rack-and-pinion, EAF compatible, 0-28 mm travel |
|---|---|
| Tube length | 210 mm |
| Dovetail | Vixen |
About
A compact 51 mm f/3.5 six-element Petzval astrograph with two Super ED elements, needing no flattener and covering a 43.2 mm image circle. Built on the WIFD rack-and-pinion focuser with 28 mm of travel, supplied with a tilt adjuster and rotator, on a dovetail that works as both Vixen and Arca-Swiss. Just 210 mm long and 1.67 kg.