Originally posted by darkman
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each sensor has hundreds of thousands to millions of Pixels, Pixel size maters to the wavelength that hits the image sensor this one of the reasons why some CCD and CMOS are limited to receive a limited range of wavelength.
The types of cameras with crystal oscillator on board less than 48000 "according to our test" not a very good result, this crystal comes in accordance with the main chipset to match the speed of the clock" as I understood"
what I know is matching your image sensor with the lens and distance from the image sensor has to do a lot with Ir LEDs frequency from my tests some cameras I had to search the right distance more or less 50mm until I get the rings pattern that is known by the effect of the dark field microscopy

Maybe you can understand here the method of geophysical prospection.
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