Quote:
Originally Posted by estación seca
A phone app won't be accurate unless it's written for the operating system AND the specific CCD (charge capture device, the photon receptor) in the camera. A generic Android light sensing app would not work on all phones.
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Photone is not a generic app. From what I read on their site, they calibrate individual camera models (I'm guessing the most popular models). Which would explain the high price/subscription model to access full functionality.