OTA · 2013–2015
Astro-Tech AT65EDQ
Key specifications
| Aperture | 65 mm |
|---|---|
| Focal length | 420 mm |
| Focal ratio | f/6.5 |
| Optical design | Quadruplet APO |
About
65 mm f/6.5 ED quadruplet astrograph (~420 mm focal length) using an ED triplet objective plus a rear corrector element. A compact four-element imaging refractor, now discontinued.
Where to buy
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