Rigs Petzval astrographs
Askar FRA600
Every camera in the catalogue on this telescope, at 600 mm and f/5.6. 53 pairings have a page; no catalogued sensor is larger than the stated image circle.
The telescope
Aperture108mm
Focal length600mmnative
Focal ratiof/5.6
Image circle66mmthe maker's figure
OTA weight6.50kgno corrector needed
Figures from the maker’s page. Source. Provisional: the row has not yet had a second, human check.
Every camera
Sampling is the star’s FWHM in pixels at 2.5″ seeing; every band is a tradeoff, and wide fields are undersampled on purpose. Each camera name opens its page.
| Camera | Scale | Field | At 2.5″ | Image circle |
|---|---|---|---|---|
| Player One Ares-C Pro | 1.29″/px | 1.08 × 1.08° | 1.93pxpractical | fits15.99 of 66 mm |
| Player One Poseidon-C Pro | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| Player One Poseidon-M Pro | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| Player One Uranus-C | 1.00″/px | 1.07 × 0.60° | 2.51pxpractical | fits12.85 of 66 mm |
| QHY294M Pro | 1.59″/px | 1.84 × 1.24° | 1.57pxpractical | fits23.23 of 66 mm |
| QHY600M (SBFL front section) | 1.29″/px | 3.44 × 2.29° | 1.93pxpractical | fits43.27 of 66 mm |
| QHY600M (standard, with CAA) | 1.29″/px | 3.44 × 2.29° | 1.93pxpractical | fits43.27 of 66 mm |
| ToupTek ATR183C | 0.83″/px | 1.25 × 0.84° | 3.03pxpractical | fits15.73 of 66 mm |
| ToupTek ATR183M | 0.83″/px | 1.25 × 0.84° | 3.03pxpractical | fits15.73 of 66 mm |
| ToupTek ATR2110C | 4.13″/px | 2.22 × 1.39° | 0.61pxbadly undersampled | fits27.41 of 66 mm |
| ToupTek ATR2600C | 1.29″/px | 2.23 × 1.50° | 1.93pxpractical | fits28.18 of 66 mm |
| ToupTek ATR2600M | 1.29″/px | 2.23 × 1.50° | 1.93pxpractical | fits28.18 of 66 mm |
| ToupTek ATR294C | 1.59″/px | 1.82 × 1.24° | 1.57pxpractical | fits23.10 of 66 mm |
| ToupTek ATR294M | 1.59″/px | 1.82 × 1.24° | 1.57pxpractical | fits23.10 of 66 mm |
| ToupTek ATR3CMOS07100KMA | 1.55″/px | 1.38 × 0.95° | 1.62pxpractical | fits17.47 of 66 mm |
| ToupTek ATR3CMOS07100KPA | 1.55″/px | 1.38 × 0.95° | 1.62pxpractical | fits17.47 of 66 mm |
| ToupTek ATR432C | 3.09″/px | 1.38 × 0.95° | 0.81pxundersampled | fits17.47 of 66 mm |
| ToupTek ATR432M | 3.09″/px | 1.38 × 0.95° | 0.81pxundersampled | fits17.47 of 66 mm |
| ToupTek ATR533C | 1.29″/px | 1.08 × 1.08° | 1.93pxpractical | fits15.97 of 66 mm |
| ToupTek ATR533M | 1.29″/px | 1.08 × 1.08° | 1.93pxpractical | fits15.97 of 66 mm |
| ToupTek ATR585C | 1.00″/px | 1.07 × 0.60° | 2.51pxpractical | fits12.85 of 66 mm |
| ToupTek ATR585M | 1.00″/px | 1.07 × 0.60° | 2.51pxpractical | fits12.85 of 66 mm |
| ToupTek SkyEye24AC-plus | 2.04″/px | 3.44 × 2.29° | 1.22pxundersampled | fits43.28 of 66 mm |
| ToupTek SkyEye26AC-plus | 1.29″/px | 2.23 × 1.50° | 1.93pxpractical | fits28.18 of 66 mm |
| ToupTek SkyEye26AM-plus | 1.29″/px | 2.23 × 1.50° | 1.93pxpractical | fits28.18 of 66 mm |
| ToupTek SkyEye45AC-plus | 1.51″/px | 3.44 × 2.29° | 1.65pxpractical | fits43.32 of 66 mm |
| ToupTek SkyEye62AC-plus | 1.29″/px | 3.43 × 2.29° | 1.93pxpractical | fits43.24 of 66 mm |
| ToupTek SkyEye62AM-plus | 1.29″/px | 3.43 × 2.29° | 1.93pxpractical | fits43.24 of 66 mm |
| ZWO ASI071MC Pro | 1.64″/px | 2.25 × 1.49° | 1.52pxpractical | fits28.29 of 66 mm |
| ZWO ASI1600MM Pro | 1.31″/px | 1.68 × 1.27° | 1.91pxpractical | fits22.06 of 66 mm |
| ZWO ASI183MC Pro | 0.83″/px | 1.26 × 0.84° | 3.03pxpractical | fits15.86 of 66 mm |
| ZWO ASI183MM Pro | 0.83″/px | 1.26 × 0.84° | 3.03pxpractical | fits15.86 of 66 mm |
| ZWO ASI2400MC Pro | 2.04″/px | 3.44 × 2.29° | 1.22pxundersampled | fits43.27 of 66 mm |
| ZWO ASI2600MC Air | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI2600MC DUO | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI2600MC Pro | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI2600MM Air | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI2600MM DUO | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI2600MM Pro | 1.29″/px | 2.24 × 1.50° | 1.93pxpractical | fits28.26 of 66 mm |
| ZWO ASI294MC Pro | 1.59″/px | 1.83 × 1.24° | 1.57pxpractical | fits23.19 of 66 mm |
| ZWO ASI294MM Pro | 1.59″/px | 1.83 × 1.24° | 1.57pxpractical | fits23.19 of 66 mm |
| ZWO ASI4400MC Pro | 1.51″/px | 3.44 × 2.29° | 1.65pxpractical | fits43.27 of 66 mm |
| ZWO ASI461MM Pro | 1.29″/px | 4.19 × 3.14° | 1.93pxpractical | fits54.82 of 66 mm |
| ZWO ASI533MC Pro | 1.29″/px | 1.08 × 1.08° | 1.93pxpractical | fits15.99 of 66 mm |
| ZWO ASI533MM Pro | 1.29″/px | 1.08 × 1.08° | 1.93pxpractical | fits15.99 of 66 mm |
| ZWO ASI585MC Air | 1.00″/px | 1.07 × 0.60° | 2.51pxpractical | fits12.85 of 66 mm |
| ZWO ASI585MC Pro | 1.00″/px | 1.06 × 0.60° | 2.51pxpractical | fits12.78 of 66 mm |
| ZWO ASI585MM Air | 1.00″/px | 1.07 × 0.60° | 2.51pxpractical | fits12.85 of 66 mm |
| ZWO ASI585MM Pro | 1.00″/px | 1.06 × 0.60° | 2.51pxpractical | fits12.78 of 66 mm |
| ZWO ASI6200MC Pro | 1.29″/px | 3.44 × 2.29° | 1.93pxpractical | fits43.27 of 66 mm |
| ZWO ASI6200MM Pro | 1.29″/px | 3.44 × 2.29° | 1.93pxpractical | fits43.27 of 66 mm |
| ZWO ASI990MM Pro | 1.72″/px | 0.61 × 0.49° | 1.45pxpractical | fits8.20 of 66 mm |
| ZWO ASI991MM Pro | 1.72″/px | 0.31 × 0.25° | 1.45pxpractical | fits4.19 of 66 mm |
No sensor size in the catalogue, so no figures: Canon EF body + T-ring, Canon EF-S body + T-ring, Canon RF body + T-ring, Fujifilm X body + T-ring, L-mount (Leica / Panasonic / Sigma) body + T-ring, Micro Four Thirds body + T-ring, Nikon F body + T-ring, Nikon Z body + T-ring, Pentax K body + T-ring, QHY268C, QHY268M, QHY533C, QHY533M, Sony E / FE body + T-ring, ToupTek SkyEye24AC, ToupTek SkyEye62AC, ToupTek SkyEye62AM.
Last updated Computed from the catalogue when the site is builtEvery telescope