more pixels are better!

Started Dec 14, 2008 | Discussions thread
John Sheehy Forum Pro • Posts: 25,911
Re: SNR vs exposure

Graystar wrote:

So you're saying what...that the LX3 doesn't do any better in
highlights than the G10? It's all shadow detail?

When true, that just another way to say that the ISO "sensitivity" is stated conservatively for the camera.

The same photosites, with the same readout/ADC circuitry, could be used in two different cameras, one metering for ISO 80 at base ISO with very little highlight headroom but lots of footroom, and another at ISO 200 with lots of headroom, and not a lot of footroom. They would both have the same DR.

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John

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