OTA · 2020–
Takahashi Epsilon-160ED

Key specifications
| Aperture | 160 mm |
|---|---|
| Focal length | 530 mm |
| Focal ratio | f/3.3 |
| Optical design | Newtonian |
About
160 mm f/3.3 hyperbolic flat-field Newtonian astrograph, 530 mm focal length. Hyperbolic primary with an ED-glass two-element corrector holding spot sizes within ~3 µm across a full-frame 44 mm circle; bridges the 130D and 180ED.