OTA · 1984–
Takahashi FCT-100
Key specifications
| Aperture | 100 mm |
|---|---|
| Focal length | 640 mm |
| Focal ratio | f/6.4 |
| Optical design | Triplet APO |
| Weight | 5.7 kg |
All specifications
| Tube length | 790 mm |
|---|
About
100 mm fluorite triplet apochromat, 640 mm focal length (~f/6.4). Part of the rare, premium parallel range of fluorite-triplet imaging refractors; resembles the FC-100 but with a larger focuser and shorter focal length.