Cameras used for metrology or color matching need calibration. Lenses can slightly distort images, and improperly mounting a camera can introduce measurement errors. Improper lighting or ambient light ...
For 20 years, I have been using charge-coupled device (CCD) cameras, and I currently own the top-of-the-line SBIG STX-16803. But while studying two images I recently made using the latest QHY 410C ...
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