OTA · MSRP $3,598
William Optics Ultra-Cat 108
Key specifications
| Aperture | 108 mm |
|---|---|
| Focal length | 518 mm |
| Focal ratio | f/4.8 |
| Optical design | Other |
| Weight | 7.96 kg |
All specifications
| Focuser type | WIFD rack-and-pinion, EAF compatible, 0-30 mm travel |
|---|---|
| Tube length | 512.9 mm |
| Dovetail | Losmandy |
About
A 108 mm f/4.8 five-element advanced Petzval astrograph needing no flattener, covering a 60 mm image circle. Built on the WIFD rack-and-pinion focuser with a sensor-tilt adjuster and rotator, on a Losmandy dovetail, and supplied with M48, M54 and M68 camera adapters.