OTA · 2025–
Askar 111F
Key specifications
| Aperture | 111 mm |
|---|---|
| Focal length | 766 mm |
| Focal ratio | f/6.9 |
| Optical design | Quadruplet APO |
| Back focus | 91 mm |
| Weight | 5.74 kg |
All specifications
| Focuser type | 3" rack & pinion, 1:10 fine adjustment |
|---|---|
| Tube length | 664 mm |
| Dovetail | Losmandy |
About
111mm f/6.9 self-flattening quadruplet astrograph (3+1) with one ED element. 766mm focal length over a full-frame flat field; built-in baffle for stray-light control. Launched alongside the 131F.