I'm a beginner photog still on the low end of the learning and am looking for some good advice. Up until now, I've been shooting AV priority on my digital rebel and letting the camera set the shutter speed and exposure. I also have always kept the ISO at 100 on every shot. Since I've learned a bit more I've moved to manual (M) but am confused on how I should set the ISO? I've been told to move it to 400 on an overcast day but then again just keep it at 100 to play it safe. Any suggestions? [img]/ubbthreads/images/graemlins/cool.gif[/img]
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