OTA · 2015–
Sky-Watcher Quattro 250P

Key specifications
| Aperture | 250 mm |
|---|---|
| Focal length | 1000 mm |
| Focal ratio | f/4 |
| Optical design | Newtonian |
All specifications
| Dovetail | Losmandy |
|---|
About
250mm (10") f/4 parabolic imaging Newtonian, 1000mm focal length, a large-aperture fast astrograph with RAQ-coated borosilicate optics and a dual-speed 2" Crayford focuser.