I'm trying to teach myself how to shoot with a scope, so this may be a pretty basic question. One thing I have noticed with binoculars and spotting scopes is that they have "minimum distance" for focusing, and it varies according to magnification. For example, when I set my spotting scope at 45X, a target at 100 yds. is a little too close for it to focus. I need to drop the magnification back to 35X or so. I have a couple of variable power rifle copes that also have a focus adustment. For example, I have a Leupoold with magnification ranging from 4.5 to 14, and a focusing knob with distances marked on it starting at 50 yards. Here's my question: Am I better off adjusting this scope to a less-than-maximum magnification -- say 9X -- at 100 yds or less? (I set the focus knob on 100 yds.) I'm wondering if cranking it up to 14X at 100 yds. creates parallax problems? Thanks.