Are there any "rules" for using ISO?

Started Apr 3, 2013 | Discussions thread
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GreenMountainGirl
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Are there any "rules" for using ISO?
Apr 3, 2013

I have been experimenting with low-light images of moving subjects (mostly deer) and getting mixed results.  Using aperture-priority produces slower shutter speeds, and raising ISO does not seem to work.  Using shutter-priority works better, but still often have to make exposure adjustments in LR4.  Most of these photos are at/close to 300mm, so have not noticed any significant effect on DOF, just need to get a better idea of ISO (and exposure compensation) because there often isn't much time for "test photos"!

Susan

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GreenMountainGirl

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