OTA · 2016–
Takahashi Mewlon-180C
Key specifications
| Aperture | 180 mm |
|---|---|
| Focal length | 2160 mm |
| Focal ratio | f/12 |
| Optical design | Dall-Kirkham |
About
180 mm Dall-Kirkham Cassegrain reflector, 2160 mm focal length at f/12. Ellipsoidal primary and spherical secondary at λ/20 surface accuracy; the most portable Mewlon, aimed at high-power planetary and lunar visual use.