Higher ISO or underexpose then corrected in PP?

Started Mar 24, 2012 | Discussions thread
John Motts Veteran Member • Posts: 5,581
Re: Higher ISO or underexpose then corrected in PP?

mosum wrote:

If a scene calls for a higher ISO for a correct exposure, for a given shutter speed and aperture would you underexpose the scene with a lower ISO (thus less noise and "perceived" higher DR) and then lift up the exposure in PP, or use a higher ISO to begin with?

You will never get less noise by underexposing. You will get at least as much noise, probably more.

It's not turning up the ISO setting on the camera that causes the noise, it's the low light that is the cause.

Whatever you do, underexposure is a sure way to increase noise.

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