Pixel Density is GENIUS!

Started Jul 13, 2008 | Discussions thread
OP RRJackson Senior Member • Posts: 2,555
Re: almost there...

simpy wrote:

If you like... We're getting somewhere here. If you agree that this
is allowed, what use is it to know the actual pixel density? If you
know the pixel count you have the maximum resolution (a hard limit)
and if you know the sensor size you have a handle on the noise
performance for a given output size.


No use at all in a theoretical world where all sensors tens of millions of teeny-tiny pixels that respond any level of binning on-demand. In terms of what's actually available for purchase right now, it's pretty handy data. Even though there do seem to be a couple of compacts now that have reduced-resolution binning modes for high ISO use.

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