Does noise behaviour depends on sensor size?

Started 6 months ago | Discussions thread
JochenIs Forum Member • Posts: 51
Re: Does noise behaviour depends on sensor size?

Gp 13357 wrote:

What do you mean with one stop advantage? I read it many times and I really don’t get it... an honest question

One stop difference means one exposure value difference which is a factor two in light gathering.

Since full frame has 2.25 times the area of aps-c it collects about two times the light giving you one stop of noise advantage. This is why fullframe has the same noise at ISO1600 as aps-c at ISO800. One stop difference.

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