Size comparison of FE 4/2470 on A7 vs Olympus 12-40 f2.8 on GX7

Started 8 months ago | Discussions thread
Krich13
Regular MemberPosts: 438
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Re: The only comparison needed.
In reply to socode, 8 months ago

socode wrote:

bluevellet wrote:

Even more interesting comparisons:

http://camerasize.com/compact/#289.366,487.392,ha,t

http://camerasize.com/compact/#289.409,487.396,ha,t

A couple of slow 5.6 zooms on M43 are really 3 stops off an f4 on FF, but if you would rather have them, go ahead

The first one is actually a constant f/2.8 zoom, an FF equivalent of f/5.6. A stop off f/4, but not 3 stops. In fact, probably closer to 2/3 of a stop for the sensor of A7 seems to be less efficient than Olympus' OM series, significant but not night and day difference.

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