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Posted: 11/19/2011 9:29:42 PM EDT
on my Canon 300HS, shooting in 'low-light mode' reduces the resolution from 12MP to 3MP. what is the benefit of this? are there any other benefits to reducing the resolution setting?
Link Posted: 11/19/2011 10:42:42 PM EDT
I am not familiar with that camera, but that reduction to 1/4 of the original it sounds like they are treating each block of 4 pixels as a single "super pixel". A big advantage of this is that they can crank the ISO way, way up and still keep the noise levels low by comparing the values of the 4 pixels and eliminating any that appear to be noisy based on being too different than the other 3 pixels.
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