Quote:Great link! Thanks, Brightcolours.The size of the entire displayed area should be a nominal 36mm x 24mm which is the sensor size used in the test cameras. I presume the inner box shows the nominal area of an APS-C sized sensor, but this will vary slightly between models and I don't know what value they may have used. It is in the range of 1.5x to 1.6x smaller on each axis than the overall area.
One thing is unclear from the figures: what is the size of the entire box, and what is the size of the light gray rectangle inside?
Axis labels, tickmarks, explanation are missing, plus the "?" link at the top of the page is broken.
Also, I had one more thought. Again I don't know what the original application is, but would a hyperstar arrangement be any use?
https://starizona.com/acb/hyperstar/specs.aspx
In short, you need to buy a compatible telescope and the matching hyperstar module. This can give you insane focal ratios at longer focal lengths. Want 675mm f/1.9? You can, if you can handle a physical aperture of 14" with a wallet to match! Smaller sizes are available too. However in terms of light gathering ability and overall contrast, there will be some reduction as the sensor needs to be placed in front of the optics. A DSLR would be at best inappropriate if it would even work at all in this scenario. To properly make use of this you would be looking at astronomical or industrial imaging cameras.
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