LX7 - does its IQ compete with e.g. Sony RX100?

Started Apr 6, 2013 | Discussions thread
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Sean Nelson
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Re: "Envelope" is a more useful concept than "equivalence" IMHO
In reply to ultimitsu, Apr 10, 2013

ultimitsu wrote:

Sean Nelson wrote:

IMHO this argument breaks down because under good conditions (plenty of light, dynamic range that isn't excessive, final viewed image size that's not overly large, etc.) the difference in the amount of noise from a small vs. a large sensor is indistinguishable.

Then there is no advantage of in having F1.4, is there?

You're not reading the entire argument.   Having an f1.4 lens widens the envelope.

In that case, the idea that a longer/brighter exposure is required on a smaller sensor to produce an equivalent image to that of a larger sensor is no longer valid.

It is no longer valid because smaller sensor still cannot get the same IQ as larger sensor. At the least that is the case between LX7 and RX100.

That's irrelevant if you can't see the difference in the result.  The result is the image in the final size you intend look at, not blowing it up to 200% to pixel peep it.

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