OTA · 2014–
Celestron RASA 11

Key specifications
| Aperture | 279 mm |
|---|---|
| Focal length | 620 mm |
| Focal ratio | f/2.2 |
| Optical design | Other |
| Back focus | 55 mm |
| Weight | 19.5 kg |
All specifications
| Lens coating | StarBright XLT |
|---|---|
| Focuser type | FeatherTouch microfocuser, coarse and fine focus |
| Tube length | 838.2 mm |
| Dovetail | Losmandy |
About
11" Rowe-Ackermann Schmidt Astrograph: an ultra-fast f/2.2 prime-focus imaging telescope with a flat, wide field and 620mm focal length. Imaging-only (no visual use).