Are there any "rules" for using ISO?

Started Apr 3, 2013 | Discussions thread
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GreenMountainGirl OP Contributing Member • Posts: 677
Re: Are there any "rules" for using ISO?

Virginia Bill wrote:

For animals with a telephoto, I'd use spot metering on the animal; any other mode might react to foliage, sky, or ground enough to require adjustments in postprocessing.

I never thought about changing the metering mode.  Thank you for suggesting it - I will have to try that.

For deer at 300mm I'd use manual mode, high shutter (1/500 or faster), and spot metering. If changing aperture didn't produce enough light, I'd raise ISO.

Manual mode doesn't always work for me when there isn't a lot of time to focus because I don't see the sharpness well enough.  But using Aperture-priority or Shutter-priority with AF ought to work OK if I get the other parameters right!

Thank you for your suggestions.  You explain it very clearly, easy to understand.

All the Best,


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