OMD E-M1 vs Sony A-7, What's the Difference?

Started 11 months ago | Discussions thread
EarthQuake
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Re: It really depends which lens you compare with.
In reply to Anders W, 11 months ago

Anders W wrote:

Raist3d wrote:

Comparing the standard zoom the difference isn't that big. Ditto for the F1.4 vs F1.8 prime.

http://camerasize.com/compact/#482.336,487.393,ha,t

That the Panasonic lens here is one stop faster is irrelevant- you still get shorter DOF at will on the Sony by one stop (F4) and the sensor being bigger, you get at least 2 stops better ISO, so you can afford to have one stop less in that aperture. In fact, the Sony is still as a system faster light wise.

At least 2 stops better ISO?

A99 has light-robbing SLT. Check D600 and D800 performance if you want an idea how the A7 and A7R perform, as they are likely using the same (or better) sensors.

http://www.dxomark.com/Cameras/Compare-Camera-Sensors/Compare-cameras-side-by-side/(appareil1)/883%7C0/(brand)/Olympus/(appareil2)/834%7C0/(brand2)/Nikon/(appareil3)/792%7C0/(brand3)/Nikon

Perhaps not 2 stops, but 1.5 stops at least, which is quite significant.

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