OTA · 2000–
Takahashi Mewlon-210
Key specifications
| Aperture | 210 mm |
|---|---|
| Focal length | 2415 mm |
| Focal ratio | f/11.5 |
| Optical design | Dall-Kirkham |
About
210 mm Dall-Kirkham Cassegrain reflector, 2415 mm focal length at f/11.5. Ellipsoidal primary, spherical secondary, λ/20 optics; a compact long-focus planetary reflector with smaller secondary obstruction than comparable SCTs.