Implications of RX100 for low end mirrorless

Started Jul 13, 2012 | Discussions thread
bobn2
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Re: Implications of RX100 for low end mirrorless
In reply to technic, Jul 15, 2012

technic wrote:

bobn2 wrote:

The XZ-1 projects the same amount of light on the sensor as a f/4.3-6.7 zoom on Four Thirds, while the RX100 manages the same as a f/2.4-5.9 zoom. At the wide end, quite respectable. The amount of light controls the image shot noise, so directly determines the low light ability of the camera.

yes, but there is also the issue of optical quality. From what I'm seeing, I think the RX100 has to be stopped down 1-2 stops to get similar performance across the frame as an XZ1 wide open (I'm saying across the frame because the problem is mostly in the corners, and with closeups).

Well, of course. We all know that Olympus designs a much better lens than Zeiss.

So in real life, the difference may be quite small, both at tele and at WA setting.

In real life the difference is still there as long as the lens delivers as much resolution as you need.
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Bob

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