How to properly compare RX-100 and NEX-6 kit high ISO noise?

Started Apr 29, 2013 | Discussions thread
twald
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Re: How to properly compare RX-100 and NEX-6 kit high ISO noise?
In reply to Vlad4D, Apr 29, 2013

Summary: The RX100 will beat the NEX cameras with the kit lens in low light.

I did this test a while ago, but not quite as you specified. I think the test you specified would give the same results. I set the lens of both to their widest angle, which gives each the same, 28mm full-frame equivalent, view. I let the cameras meter the scene. they both chose ISO3200, a 1/25s shutter speed, and max aperture. The RX100 gathered more light and made a brighter picture.

The images are all from raw. They are a central crop. They are not resized; viewing 1:1 will give you a 1:1 view of the actual image. The RX100 images will be larger because it is 20megapixels versus the 5N's 16.

NEX-5n as metered

RX100 as metered

I then adjusted the exposure of each picture (I edited the raw in lightroom) to make them equal (well, almost equal). The RX100 has a clear advantage.

NEX-5N, exposure adjusted in post

RX100,  exposure adjusted in post

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