What is downsampling?
I am very confused about downsampling.
D800 files compared to D3s, D4, D700
e.g. in this review
Does it mean "binning"?
That is, combining data from 4 pixels, and use it like a large pixel (4 times the area).
On the camera, we can also select the number of Mega pixel we want?
I don't think we gain "binning"/ advantage in High ISO performance.
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