Rigs Petzval astrographs
William Optics RedCat 51 WIFD
Every camera in the catalogue on this telescope, at 250 mm and f/4.9. 52 pairings have a page; 1 sensor is larger than the stated image circle and listed without one.
The telescope
Aperture51mm
Focal length250mmnative
Focal ratiof/4.9
Image circle48mmthe maker's figure
OTA weight1.77kgno 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 | 3.10″/px | 2.59 × 2.59° | 0.81pxundersampled | fits15.99 of 48 mm |
| Player One Poseidon-C Pro | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| Player One Poseidon-M Pro | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| Player One Uranus-C | 2.39″/px | 2.57 × 1.44° | 1.04pxundersampled | fits12.85 of 48 mm |
| QHY294M Pro | 3.82″/px | 4.42 × 2.97° | 0.65pxbadly undersampled | fits23.23 of 48 mm |
| QHY600M (SBFL front section) | 3.10″/px | 8.24 × 5.50° | 0.81pxundersampled | fits43.27 of 48 mm |
| QHY600M (standard, with CAA) | 3.10″/px | 8.24 × 5.50° | 0.81pxundersampled | fits43.27 of 48 mm |
| ToupTek ATR183C | 1.98″/px | 2.99 × 2.01° | 1.26pxundersampled | fits15.73 of 48 mm |
| ToupTek ATR183M | 1.98″/px | 2.99 × 2.01° | 1.26pxundersampled | fits15.73 of 48 mm |
| ToupTek ATR2110C | 9.90″/px | 5.31 × 3.35° | 0.25pxbadly undersampled | fits27.41 of 48 mm |
| ToupTek ATR2600C | 3.10″/px | 5.36 × 3.60° | 0.81pxundersampled | fits28.18 of 48 mm |
| ToupTek ATR2600M | 3.10″/px | 5.36 × 3.60° | 0.81pxundersampled | fits28.18 of 48 mm |
| ToupTek ATR294C | 3.82″/px | 4.38 × 2.98° | 0.65pxbadly undersampled | fits23.10 of 48 mm |
| ToupTek ATR294M | 3.82″/px | 4.38 × 2.98° | 0.65pxbadly undersampled | fits23.10 of 48 mm |
| ToupTek ATR3CMOS07100KMA | 3.71″/px | 3.30 × 2.27° | 0.67pxbadly undersampled | fits17.47 of 48 mm |
| ToupTek ATR3CMOS07100KPA | 3.71″/px | 3.30 × 2.27° | 0.67pxbadly undersampled | fits17.47 of 48 mm |
| ToupTek ATR432C | 7.43″/px | 3.30 × 2.27° | 0.34pxbadly undersampled | fits17.47 of 48 mm |
| ToupTek ATR432M | 7.43″/px | 3.30 × 2.27° | 0.34pxbadly undersampled | fits17.47 of 48 mm |
| ToupTek ATR533C | 3.10″/px | 2.59 × 2.58° | 0.81pxundersampled | fits15.97 of 48 mm |
| ToupTek ATR533M | 3.10″/px | 2.59 × 2.58° | 0.81pxundersampled | fits15.97 of 48 mm |
| ToupTek ATR585C | 2.39″/px | 2.57 × 1.44° | 1.04pxundersampled | fits12.85 of 48 mm |
| ToupTek ATR585M | 2.39″/px | 2.57 × 1.44° | 1.04pxundersampled | fits12.85 of 48 mm |
| ToupTek SkyEye24AC-plus | 4.90″/px | 8.24 × 5.50° | 0.51pxbadly undersampled | fits43.28 of 48 mm |
| ToupTek SkyEye26AC-plus | 3.10″/px | 5.36 × 3.60° | 0.81pxundersampled | fits28.18 of 48 mm |
| ToupTek SkyEye26AM-plus | 3.10″/px | 5.36 × 3.60° | 0.81pxundersampled | fits28.18 of 48 mm |
| ToupTek SkyEye45AC-plus | 3.63″/px | 8.25 × 5.50° | 0.69pxbadly undersampled | fits43.32 of 48 mm |
| ToupTek SkyEye62AC-plus | 3.10″/px | 8.23 × 5.49° | 0.81pxundersampled | fits43.24 of 48 mm |
| ToupTek SkyEye62AM-plus | 3.10″/px | 8.23 × 5.49° | 0.81pxundersampled | fits43.24 of 48 mm |
| ZWO ASI071MC Pro | 3.94″/px | 5.40 × 3.57° | 0.63pxbadly undersampled | fits28.29 of 48 mm |
| ZWO ASI1600MM Pro | 3.14″/px | 4.03 × 3.05° | 0.80pxbadly undersampled | fits22.06 of 48 mm |
| ZWO ASI183MC Pro | 1.98″/px | 3.02 × 2.02° | 1.26pxundersampled | fits15.86 of 48 mm |
| ZWO ASI183MM Pro | 1.98″/px | 3.02 × 2.02° | 1.26pxundersampled | fits15.86 of 48 mm |
| ZWO ASI2400MC Pro | 4.90″/px | 8.24 × 5.50° | 0.51pxbadly undersampled | fits43.27 of 48 mm |
| ZWO ASI2600MC Air | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI2600MC DUO | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI2600MC Pro | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI2600MM Air | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI2600MM DUO | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI2600MM Pro | 3.10″/px | 5.38 × 3.60° | 0.81pxundersampled | fits28.26 of 48 mm |
| ZWO ASI294MC Pro | 3.82″/px | 4.40 × 2.98° | 0.65pxbadly undersampled | fits23.19 of 48 mm |
| ZWO ASI294MM Pro | 3.82″/px | 4.40 × 2.98° | 0.65pxbadly undersampled | fits23.19 of 48 mm |
| ZWO ASI4400MC Pro | 3.63″/px | 8.24 × 5.50° | 0.69pxbadly undersampled | fits43.27 of 48 mm |
| ZWO ASI461MM Pro | 3.10″/px | 10.03 × 7.53° | 0.81pxundersampled | sensor larger than the stated image circle54.82 mm diagonal, 48 mm stated |
| ZWO ASI533MC Pro | 3.10″/px | 2.59 × 2.59° | 0.81pxundersampled | fits15.99 of 48 mm |
| ZWO ASI533MM Pro | 3.10″/px | 2.59 × 2.59° | 0.81pxundersampled | fits15.99 of 48 mm |
| ZWO ASI585MC Air | 2.39″/px | 2.57 × 1.44° | 1.04pxundersampled | fits12.85 of 48 mm |
| ZWO ASI585MC Pro | 2.39″/px | 2.55 × 1.44° | 1.04pxundersampled | fits12.78 of 48 mm |
| ZWO ASI585MM Air | 2.39″/px | 2.57 × 1.44° | 1.04pxundersampled | fits12.85 of 48 mm |
| ZWO ASI585MM Pro | 2.39″/px | 2.55 × 1.44° | 1.04pxundersampled | fits12.78 of 48 mm |
| ZWO ASI6200MC Pro | 3.10″/px | 8.24 × 5.50° | 0.81pxundersampled | fits43.27 of 48 mm |
| ZWO ASI6200MM Pro | 3.10″/px | 8.24 × 5.50° | 0.81pxundersampled | fits43.27 of 48 mm |
| ZWO ASI990MM Pro | 4.13″/px | 1.47 × 1.17° | 0.61pxbadly undersampled | fits8.20 of 48 mm |
| ZWO ASI991MM Pro | 4.13″/px | 0.75 × 0.60° | 0.61pxbadly undersampled | fits4.19 of 48 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