OTA · 2018–
Takahashi FOA-60
Key specifications
| Aperture | 60 mm |
|---|---|
| Focal length | 530 mm |
| Focal ratio | f/8.8 |
| Optical design | Fluorite Doublet |
| Back focus | 175.6 mm |
| Weight | 1.5 kg |
All specifications
| Lens coating | Hard multicoatings |
|---|---|
| Focuser type | Rack-and-pinion |
| Tube length | 500 mm |
About
Compact 60 mm fluorite doublet ortho-apochromat refractor, 530 mm focal length at f/8.8. Widely air-spaced fluorite/crown design giving TOA-class spherical-aberration correction in a travel-friendly tube; 44 mm fully-corrected image circle.