Crop Factor, Low Light and Aperture with m4/3 lenses?

Started Jun 15, 2014 | Discussions thread
Sergey_Green
Sergey_Green Forum Pro • Posts: 11,991
If, only if ..

Anders W wrote:

FF has the same noise for equivalent images only if the sensors are equally efficient. But as a rule they are not. Smaller sensors tend to be more efficient than larger. See here:

If by efficient you mean the difference from the brightest to the darkest, but not what is in between.

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- sergey

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