OTA · 2022–
Askar FRA300 Pro
Key specifications
| Aperture | 60 mm |
|---|---|
| Focal length | 300 mm |
| Focal ratio | f/5 |
| Optical design | Other |
| Back focus | 67 mm |
| Weight | 2.26 kg |
All specifications
| Lens coating | Fully multi-coated |
|---|---|
| Tube length | 303 mm |
| Dovetail | Vixen |
About
60mm f/5 quintuplet (3+2) air-spaced Petzval flat-field astrograph with ED glass — the fastest native focal ratio in the FRA line. 300mm focal length, pinpoint stars across a 44mm full-frame circle, built-in flat field (no separate flattener), 2.5" dual-speed focuser with 360° rotator.
Where to buy
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