OTA · MSRP $498
William Optics Zenithstar 61 II
Key specifications
| Aperture | 61 mm |
|---|---|
| Focal length | 360 mm |
| Focal ratio | f/5.9 |
| Weight | 2.2 kg |
All specifications
| Focuser type | 2 inch rack-and-pinion, EAF compatible, 75 mm travel |
|---|---|
| Tube length | 245 mm |
| Dovetail | Vixen |
About
A 61 mm f/5.9 doublet APO refractor covering a 45 mm image circle, on a 2-inch rack-and-pinion focuser with 75 mm of travel and an M54 output, supplied with 2-inch and 1.25-inch visual backs. Carries a dovetail that works as both Vixen and Arca-Swiss.