D600 vs d7100

Started Apr 26, 2013 | Discussions thread
Grevture
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The core problem of this disussion
In reply to chlamchowder, May 3, 2013

chlamchowder wrote:

Image brightness comes out the same, but the DX camera will show more noise. That's what we're talking about. To get the DX camera's noise performance up to a similar level, you'll have to double the exposure time with the DX camera, or use a lens that's a stop faster.

Well put. This is the very part that he just don't seem to get.

The fact that capturing area affects performance was well known by people shooting both medium format and 35 mm film - when you often could compare precisely the same level of "sensor" performance (but with different area), this became very evident. For some reason some photographers seem to belive this does not apply to modern day sensors. It still does.

And this is also why it - for a given level of image quality (resolution, DR, noise, etc) - generally speaking is not really more expensive to buy FX lenses then DX ones. Unless of course, one ignores obvious performance differences.

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