Rule of thumb: Bayer vs Foveon

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GreatPumpkin
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Rule of thumb: Bayer vs Foveon
3 months ago

I agree that a Foveon is a better sensor than a Bayer but I am curious, in order to achieve the equivalent sharpness from a Bayer that a Foveon provides, what does one have to do to a Bayer photo? My casual guess is that a 2 to 1 reduction in resolution is required, since there are 4 subpixels in a Bayer sensor. However because complex algorithmic operations are involved in converting a Bayer photo to RGB, can someone here provide more precise info?

This matters to me because I'm considering a new camera and if, in order to get good photos out of Bayer I have to reduce the resolution by 2, this would mean a Nikon D3300 is effectively a 12MP camera and a Canon SL1 effectively offers only 9MP, versus the DP2 Merrill's 15MP...

Canon EOS 100D (EOS Rebel SL1) Nikon D3300 Sigma DP2 Merrill
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