OTA · 2023–
Askar 151PHQ
Key specifications
| Aperture | 151 mm |
|---|---|
| Focal length | 1057 mm |
| Focal ratio | f/7 |
| Optical design | Quadruplet APO |
| Back focus | 78 mm |
| Weight | 11.6 kg |
All specifications
| Focuser type | 3.4" rack & pinion, 360° rotator |
|---|---|
| Tube length | 930.3 mm |
| Dovetail | Losmandy |
About
Largest PHQ astrograph: 151mm self-flattening Petzval, 3+1 quadruplet with two ED elements and a 1057mm focal length — the longest focal length in the PHQ range. Full-frame flat field, no separate flattener required.
Where to buy
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