"Equivalence" demonstrated: Canon 5D and Panasonic GX1

Started Apr 27, 2013 | Discussions thread
Macx Senior Member • Posts: 1,433
Re: Almost, but not quite.

Olymore wrote:

GB, a question.....

Noise is always mentioned as an advantage of 4x light on a FF sensor over an identical except for smaller sized M43 sensor. And the amount of extra noise that an M43 sensor would produce for the final image viewed at the same size etc etc. can be calculated mathematically.

Yes, it is always mentioned, but this advantage only manifests itself if you shoot with an equal exposure, which is sort of meaningless. If you shoot with an equivalent exposure you gain no noise advantage by shooting 135 over 4:3.

The 135 advantage exists qua the lenses with large (virtual) apertures made for this system.

But what about the other aspects of the sensor  like DR for instance or colour depth ?

This isn't dependant on sensor size, as far as I know.

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