Seems to me it ought to be fairly simple to write a cell phone app that measured light through the phone camera lens. Anybody ever seen one?
I could not find one, but perhaps there is not much demand for that sort of thing these days.
Seems to me it ought to be fairly simple to write a cell phone app that measured light through the phone camera lens. Anybody ever seen one?
I could not find one, but perhaps there is not much demand for that sort of thing these days.
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