OTA · MSRP $933
William Optics Gran-Turismo 71 II
Key specifications
| Aperture | 71 mm |
|---|---|
| Focal length | 419 mm |
| Focal ratio | f/5.9 |
| Optical design | Triplet APO |
| Weight | 2.95 kg |
All specifications
| Focuser type | 2.5 inch rack-and-pinion, EAF compatible, 93 mm travel |
|---|---|
| Tube length | 392 mm |
| Dovetail | Vixen |
About
A 71 mm f/5.9 triplet APO refractor covering a 44 mm image circle, on a 2.5-inch rack-and-pinion focuser with 93 mm of travel and an M63 output, supplied with 2-inch and 1.25-inch visual backs. Carries a dovetail that works as both Vixen and Arca-Swiss.