What I learned from Gollywop -- and what I wonder

Started Mar 26, 2013 | Discussions thread
Prokyon Forum Member • Posts: 85
Re: What I learned from Gollywop -- and what I wonder

texinwien wrote:

Assuming exposure stays the same (same luminance, aperture and shutter speed), going from a lower ISO with higher read noise to a higher ISO with lower read noise (say, from ISO 200 to ISO 400 on the E-M5) will net you less noise.

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

isn't this misleading ? if exposure stays the same and ISO 400 is not overexposed, ISO 200 would not be fully saturated by at least one stop and because of the lower read noise at ISO 400 the dynamic range can be increased

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