Started Dec 20, 2013 | Questions thread
yonsito Regular Member • Posts: 150
Noise is worse in shadows

My (admittedly simple) view of things:

Noise looks worse in darker areas. That's the gist of the s/n ratio discussion. With ETTR, you minimize the dark areas.

You need some dynamic range to play with. If you can't overexpose without blowing highlights (e.g. landscape pictures in daylight), than you can't use it.

ETTR means higher exposure values, so your camera will either switch to higher ISO settings (more noise) or increase exposure time (greater risk of motion blur). The best results can be achieved with a tripod.

Shooting raw usually gives better results. The jpeg algorithm may combine similar colours in light areas, which will then result in visible artifacts when you lower the brightness.

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