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>>157041 >Actually framing is just a little harder - you have to do it before you put the filter on :) I'm a slacker who can't be bothered with a tripod most of the time (which also explains the ISO400), so that's not really an option. I'd end up messing up my framing by putting on the filter.
What I do is keep both eyes open and tell it to autofocus. My Rebel lights up the center AF point and I know where the center of my frame is 'cause I see it sort of overlaid on what I'm seeing through my actually-has-light-available eye.
>Needless to say I was very exited when it beeped to say "Hey, I am in focus!" Yeah, as I recall the AF system actually uses infrared light to focus normally, though don't quote me on that. The problem, though, is that it's calibrated for visible light. So the AF works, and if you take the filter off and take the shot with that focus it's fine, but the infrared focus is slightly off. On some lenses (getting less and less with time, especially at the cheap end) there's a little IR focus mark to tell you how to adjust the focus after focusing with visible light to get the IR focus. Or you can just stop down a bit so you get the whole thing in focus, but again, I go tripodless, so stopping down isn't a good option for me.
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