OTA · 2018–
Takahashi FOA-60
Key specifications
| Aperture | 60 mm |
|---|---|
| Focal length | 530 mm |
| Focal ratio | f/8.8 |
| Optical design | Fluorite Doublet |
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.