OK ALL YOU full frame camera fanatics

Started Nov 14, 2012 | Discussions thread
Great Bustard Forum Pro • Posts: 41,727
Re: Errm ..

SergeyGreen wrote:

Jim Ford wrote:

Great Bustard wrote:

Because it is the number of photons that make up the photo, not the exposure, that determine the noise in a photo:

Errm, I was talking about lens 'speed'/aperture, not sensors or noise!

Which he explained, why across the formats it is not the same.

Even more specifically, in terms of "lens 'speed'/aperture", there's this from some time back:

http://forums.dpreview.com/forums/post/37226397

which discusses why we care about "lens 'speed'/aperture" at all.

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