EXCERPT page containing first few paragraphs. 2021-04-11 18:37:04
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Sony’s 4-shot pixel shift is so badly implemented* that it is largely useless for work outdoors, where any number of factors cause checkerboarding. It is far too slow, which raises motion issues, and change-in-lighting issues. It is algorithmically flawed, in that that it naively makes 4 exposures literally*.
However, there is a non-obvious useful feature in pixel shift: in effect 4-shot pixel shift can be used to conveniently generate 4 frames, which (after alignment) can be used for frame averaging.
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