This article should be read by everybody

Started Dec 12, 2013 | Discussions thread
TrojMacReady
TrojMacReady Veteran Member • Posts: 8,729
Re: Hard to bust the large vs small pixel myth
2

You're talking about read noise in general, which indeed scales to some small extend with resolution (not fixed per pixel). Current sensors are largely shot noise limited. For long exposure night shots, read noise can become dominant, but as said, optimizations counteract that in practise. Sensors like found in the RX10 with just 2.4 micron pixels, already show incredibly low read noise, even compared to sensors found in recent DSLR's. That's the equivalent of about 63 MP and 147 MP on an APS-C and FF sensor respectively.

Which means that again in practise, higher resolution APS-C or FF sensors based on that existing technology, would show no real downside in terms of noise, despite much higher resolutions.

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tex
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