X-Pro 1: No exposure compensation in Auto-ISO - is this a bug?

Started Feb 5, 2013 | Discussions thread
Jeff Charles Veteran Member • Posts: 7,514
Re: X-Pro 1: No exposure compensation in Auto-ISO - is this a bug?

hellocrowley wrote:

Jeff Charles wrote:

jondh wrote:

Off course it is like that. Auto ISO is used with the purpose of getting better ISO based on the available exposure not to change the exposure of the manual mode.

Right. ISO cannot change exposure. Only aperture and shutter speed can do that.

When your aperture and shutter speed are fixed, what do you do to get a correctly exposed photo?Do you change the ISO value?

It depends on what you mean by "a correctly exposed photo." If you mean a JPEG that's comes out of the camera ready to display, then ISO can be used to adjust the brightness of the image. If you are shooting raw, and you define "a correctly exposed photo" as one that is exposed to the right, there are differences of opinion about the value of using ISO to move the histogram to the right. See Can we ETTR by increasing ISO?

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