on 2014-08-06 7:47 Bryan Jacoby wrote
I'm sorry, I don't see how using a different word changes anything. Averaging together more noisy measurements vs. fewer less noisy measurements can indeed lead to the same result.
and it could lead to a better or worse results when there are so many variables controlling the noise in the source
i think it's important to consider that as photosites get smaller, the overhead of signalling, isolation and on-chip optics may not decline linearly; newer sensor designs may (try to) compensate for this (as the K3 sensor is newer than K5), but sensors are not composed of perfectly abutting square pixels, so it's not a pure signal processing equation; the practical design (and the economics of sensor fabrication) mean real world tests are a better bet than theory
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