7D Auto ISO vs. fixed ISO?

Started Apr 6, 2014 | Questions thread
Phil88 Regular Member • Posts: 323
Re: 7D Auto ISO vs. fixed ISO?

riknash wrote:

RGF wrote:

RGF

The duck is within the in-focus area of the depth-of-field. Looks like poor ambient light causing high ISO setting to be used, yet still under exposed. This produces a lot of noise which during post processing attempts to lighten, will cause the image to turn into mush. It's not really out of focus but more related to a slower shutter speed causing a bit of motion blur along with boosted noise when attempting to brighten the image.

Yes, I agree. Also, there is a plant stalk in front of the duck. The camera doesn't seem to have focussed on the plant but it's not ideal.

I use Auto ISO quite a lot too. As has been mentioned, you can set an upper limit and the old adage applies:

"Better to have a noisy photo than no usable photo"!

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Phil Wallace
www.birdmad.co.uk

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