Rigs Petzval astrographs
Takahashi FSQ-85EDP
Every camera in the catalogue on this telescope, at 454.5 mm and f/5.3, with the Takahashi Flattener 1.01x for FSQ-85ED/EDP (KA37582). 52 pairings have a page; 1 sensor is larger than the stated image circle and listed without one.
The telescope
Aperture85mm
Focal length454.5mm450 mm native
Focal ratiof/5.3
Image circle44mmthe maker's figure
OTA weight3.60kgneeds a corrector
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 | 1.71″/px | 1.43 × 1.43° | 1.47pxpractical | fits15.99 of 44 mm |
| Player One Poseidon-C Pro | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| Player One Poseidon-M Pro | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| Player One Uranus-C | 1.32″/px | 1.41 × 0.79° | 1.90pxpractical | fits12.85 of 44 mm |
| QHY294M Pro | 2.10″/px | 2.43 × 1.63° | 1.19pxundersampled | fits23.23 of 44 mm |
| QHY600M (SBFL front section) | 1.71″/px | 4.54 × 3.02° | 1.47pxpractical | fits43.27 of 44 mm |
| QHY600M (standard, with CAA) | 1.71″/px | 4.54 × 3.02° | 1.47pxpractical | fits43.27 of 44 mm |
| ToupTek ATR183C | 1.09″/px | 1.65 × 1.10° | 2.30pxpractical | fits15.73 of 44 mm |
| ToupTek ATR183M | 1.09″/px | 1.65 × 1.10° | 2.30pxpractical | fits15.73 of 44 mm |
| ToupTek ATR2110C | 5.45″/px | 2.92 × 1.84° | 0.46pxbadly undersampled | fits27.41 of 44 mm |
| ToupTek ATR2600C | 1.71″/px | 2.95 × 1.98° | 1.47pxpractical | fits28.18 of 44 mm |
| ToupTek ATR2600M | 1.71″/px | 2.95 × 1.98° | 1.47pxpractical | fits28.18 of 44 mm |
| ToupTek ATR294C | 2.10″/px | 2.41 × 1.64° | 1.19pxundersampled | fits23.10 of 44 mm |
| ToupTek ATR294M | 2.10″/px | 2.41 × 1.64° | 1.19pxundersampled | fits23.10 of 44 mm |
| ToupTek ATR3CMOS07100KMA | 2.04″/px | 1.82 × 1.25° | 1.22pxundersampled | fits17.47 of 44 mm |
| ToupTek ATR3CMOS07100KPA | 2.04″/px | 1.82 × 1.25° | 1.22pxundersampled | fits17.47 of 44 mm |
| ToupTek ATR432C | 4.08″/px | 1.82 × 1.25° | 0.61pxbadly undersampled | fits17.47 of 44 mm |
| ToupTek ATR432M | 4.08″/px | 1.82 × 1.25° | 0.61pxbadly undersampled | fits17.47 of 44 mm |
| ToupTek ATR533C | 1.71″/px | 1.43 × 1.42° | 1.47pxpractical | fits15.97 of 44 mm |
| ToupTek ATR533M | 1.71″/px | 1.43 × 1.42° | 1.47pxpractical | fits15.97 of 44 mm |
| ToupTek ATR585C | 1.32″/px | 1.41 × 0.79° | 1.90pxpractical | fits12.85 of 44 mm |
| ToupTek ATR585M | 1.32″/px | 1.41 × 0.79° | 1.90pxpractical | fits12.85 of 44 mm |
| ToupTek SkyEye24AC-plus | 2.70″/px | 4.54 × 3.02° | 0.93pxundersampled | fits43.28 of 44 mm |
| ToupTek SkyEye26AC-plus | 1.71″/px | 2.95 × 1.98° | 1.47pxpractical | fits28.18 of 44 mm |
| ToupTek SkyEye26AM-plus | 1.71″/px | 2.95 × 1.98° | 1.47pxpractical | fits28.18 of 44 mm |
| ToupTek SkyEye45AC-plus | 2.00″/px | 4.54 × 3.03° | 1.25pxundersampled | fits43.32 of 44 mm |
| ToupTek SkyEye62AC-plus | 1.71″/px | 4.53 × 3.02° | 1.47pxpractical | fits43.24 of 44 mm |
| ToupTek SkyEye62AM-plus | 1.71″/px | 4.53 × 3.02° | 1.47pxpractical | fits43.24 of 44 mm |
| ZWO ASI071MC Pro | 2.17″/px | 2.97 × 1.97° | 1.15pxundersampled | fits28.29 of 44 mm |
| ZWO ASI1600MM Pro | 1.72″/px | 2.22 × 1.68° | 1.45pxpractical | fits22.06 of 44 mm |
| ZWO ASI183MC Pro | 1.09″/px | 1.66 × 1.11° | 2.30pxpractical | fits15.86 of 44 mm |
| ZWO ASI183MM Pro | 1.09″/px | 1.66 × 1.11° | 2.30pxpractical | fits15.86 of 44 mm |
| ZWO ASI2400MC Pro | 2.70″/px | 4.54 × 3.02° | 0.93pxundersampled | fits43.27 of 44 mm |
| ZWO ASI2600MC Air | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI2600MC DUO | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI2600MC Pro | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI2600MM Air | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI2600MM DUO | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI2600MM Pro | 1.71″/px | 2.96 × 1.98° | 1.47pxpractical | fits28.26 of 44 mm |
| ZWO ASI294MC Pro | 2.10″/px | 2.42 × 1.64° | 1.19pxundersampled | fits23.19 of 44 mm |
| ZWO ASI294MM Pro | 2.10″/px | 2.42 × 1.64° | 1.19pxundersampled | fits23.19 of 44 mm |
| ZWO ASI4400MC Pro | 2.00″/px | 4.54 × 3.02° | 1.25pxundersampled | fits43.27 of 44 mm |
| ZWO ASI461MM Pro | 1.71″/px | 5.52 × 4.15° | 1.47pxpractical | sensor larger than the stated image circle54.82 mm diagonal, 44 mm stated |
| ZWO ASI533MC Pro | 1.71″/px | 1.43 × 1.43° | 1.47pxpractical | fits15.99 of 44 mm |
| ZWO ASI533MM Pro | 1.71″/px | 1.43 × 1.43° | 1.47pxpractical | fits15.99 of 44 mm |
| ZWO ASI585MC Air | 1.32″/px | 1.41 × 0.79° | 1.90pxpractical | fits12.85 of 44 mm |
| ZWO ASI585MC Pro | 1.32″/px | 1.40 × 0.79° | 1.90pxpractical | fits12.78 of 44 mm |
| ZWO ASI585MM Air | 1.32″/px | 1.41 × 0.79° | 1.90pxpractical | fits12.85 of 44 mm |
| ZWO ASI585MM Pro | 1.32″/px | 1.40 × 0.79° | 1.90pxpractical | fits12.78 of 44 mm |
| ZWO ASI6200MC Pro | 1.71″/px | 4.54 × 3.02° | 1.47pxpractical | fits43.27 of 44 mm |
| ZWO ASI6200MM Pro | 1.71″/px | 4.54 × 3.02° | 1.47pxpractical | fits43.27 of 44 mm |
| ZWO ASI990MM Pro | 2.27″/px | 0.81 × 0.65° | 1.10pxundersampled | fits8.20 of 44 mm |
| ZWO ASI991MM Pro | 2.27″/px | 0.41 × 0.33° | 1.10pxundersampled | fits4.19 of 44 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