OTA · 2017–
Astro-Tech AT66EDQ
Key specifications
| Aperture | 66 mm |
|---|---|
| Focal length | 462 mm |
| Focal ratio | f/7 |
| Optical design | Quadruplet APO |
| Weight | 3.6 kg |
All specifications
| Focuser type | 2.8" dual-speed rack-and-pinion, 10:1 |
|---|---|
| Tube length | 343 mm |
About
66 mm f/5.9 ED quadruplet apochromatic imaging refractor (~388 mm focal length). A four-element design with field correction built in for a flat field across the sensor — the compact member of the EDQ astrograph family.
Where to buy
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