Does a small cell phone camera lens with an aperture of f/2 gather as much light from

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Does a small cell phone camera lens with an aperture of f/2 gather as much light from each patch in the scene as an f/2 lens on a large SLR camera that is taking an image of the same scene? 

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Artificial Intelligence A Modern Approach

ISBN: 9780134610993

4th Edition

Authors: Stuart Russell, Peter Norvig

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