OTA · 2010–
Astro-Tech AT92
Key specifications
| Aperture | 92 mm |
|---|---|
| Focal length | 506 mm |
| Focal ratio | f/5.5 |
| Optical design | Triplet APO |
| Weight | 3.29 kg |
All specifications
| Focuser type | 2.5" dual-speed rotating R&P 10:1 |
|---|---|
| Tube length | 406.4 mm |
| Dovetail | Vixen |
About
92 mm f/5.5 air-spaced apochromatic triplet (~506 mm focal length), Astro-Tech's production version of Thomas Back's TMB-92 Signature Series design. Discontinued; its prescription was later reworked into the AT90EDX.
Where to buy
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