OTA · 2008–
Takahashi TOA-150

Key specifications
| Aperture | 150 mm |
|---|---|
| Focal length | 1100 mm |
| Focal ratio | f/7.33 |
| Optical design | Triplet APO |
About
150 mm Ortho-Apochromat air-spaced triplet, 1100 mm focal length at f/7.33. Dual ED elements flanking a central element for near-total elimination of chromatic and spherical aberration; flagship of the TOA refractor line.
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