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

Started Apr 29, 2013 | Discussions thread
CosmoZooo
Regular MemberPosts: 446
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Re: How to properly compare RX-100 and NEX-6 kit high ISO noise?
In reply to GaryW, May 2, 2013

Gary what I was trying to explain is that the total amount of light hitting the sensor is not what matters hence my f1.8 crop example. I understand the megapixel problem in the crop example but that's not what I was getting at.

To be very clear the total sensor area that light covers is not the deciding factor - f3.5 lens on NEX hits the NEX sensor with more light then f1.8 lens on RX100 - the image circle is much larger on NEX. But that's not what matters - the light intensity - brightness of the light is more on the RX100 f1.8 then NEX f3.5. That's the distinction I was trying to explain. It's the brightness if light not the larger area of light that matters here.

Does that make sense?

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