OTA · 2024–
Askar SQA85
Key specifications
| Aperture | 85 mm |
|---|---|
| Focal length | 408 mm |
| Focal ratio | f/4.8 |
| Optical design | Other |
| Back focus | 55 mm |
| Weight | 3.64 kg |
All specifications
| Focuser type | 2.8" dual-speed rack & pinion |
|---|---|
| Tube length | 403 mm |
| Dovetail | Vixen |
About
85mm f/4.8 quintuplet air-spaced SD-glass Petzval astrograph. Self-flattening across a 44mm full-frame circle (central RMS ~1.6µm), with dual-speed focuser, scaled rotator and M48/M54/M68 rear adapters.
Where to buy
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