OTA · 1994–2011
Takahashi FS-152
Key specifications
| Aperture | 152 mm |
|---|---|
| Focal length | 1216 mm |
| Focal ratio | f/8 |
| Optical design | Fluorite Doublet |
About
152 mm f/8 air-spaced fluorite doublet apochromat (Fraunhofer, front fluorite), ~1216 mm focal length. The top-of-range 6-inch fluorite doublet of the FS era and a rare, sought-after instrument.