OTA · 2009–
Takahashi FS-60CB
Key specifications
| Aperture | 60 mm |
|---|---|
| Focal length | 355 mm |
| Focal ratio | f/5.9 |
| Optical design | Fluorite Doublet |
About
Compact 60 mm air-spaced fluorite doublet apochromat, 355 mm focal length at f/5.9. Front-surface fluorite (the 'FS' family trait); a widefield imaging and travel refractor. The only FS-series model still in production.