OTA · 2015–
Takahashi Epsilon-130D
Key specifications
| Aperture | 130 mm |
|---|---|
| Focal length | 430 mm |
| Focal ratio | f/3.3 |
| Optical design | Newtonian |
| Back focus | 56.2 mm |
| Weight | 4.9 kg |
All specifications
| Tube length | 460 mm |
|---|
About
130 mm f/3.3 hyperbolic flat-field Newtonian astrograph, 430 mm focal length. Hyperbolic primary plus a two-element corrector deliver a flat, coma-free 44 mm image circle for fast wide-field deep-sky imaging.