What I learned from Gollywop -- and what I wonder

Started Mar 26, 2013 | Discussions thread
richarddd Veteran Member • Posts: 3,102
Re: What I learned from Gollywop -- and what I wonder

gollywop wrote:

Pedagydusz wrote:

texinwien wrote:

[...] It will, however, also net you less dynamic range, tonal range and color sensitivity. [...]

I don't understand this part. Why, in ISOless situations, do you get less DR, for example, or color sensitivity? It does not make sense to what I thought I had understood!

The sensor's saturation capacity always drops with increased ISO, and with it the largest signal able to be captured. Thus, even if noise remains constant with ISO, DR will fall. DR is the number of stops in SatCapacity/ReadNoise.

Check out www.sensorg.com to see these relations for a number of different cameras.

That link doesn't work. See the link in my post above, http://forums.dpreview.com/forums/post/51163548

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