Monday 16 February 2015

effective aperture - How to calculate the focal length of cell phone cameras when none of the required parameters are available?


There are many camera phones for which the focal length, aperture size, and sensor size are not available. Is there a formula to calculate these parameters or a site which provides these details for all the mobile phone cameras?


Will the lens equation: 1/u + 1/v = 1/f give me an accurate focal length?





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