GSO 12" F/12 Classic Cassegrain
Key specifications
| Aperture | 304 mm |
|---|---|
| Focal length | 3648 mm |
| Focal ratio | f/12 |
| Optical design | Other |
| Back focus | 350 mm |
All specifications
| Focuser type | 3" dual-speed Linear Bearing Crayford |
|---|---|
| Dovetail | Losmandy |
About
A 304 mm f/12 classic Cassegrain with hyperbolic and parabolic low-expansion quartz mirrors, a 3" dual-speed linear-bearing Crayford focuser and three built-in cooling fans, aimed at lunar and planetary imaging.