I have only had my new XTi for a few weeks but I love it and it has become my close companion almost everywhere I go.
The one area that I struggle with is getting it to focus on what I want. I have read other threads here and tried custom function for the * key to do a quick focus using the center AF point which then locks in the focus at that point. The thing with that is it seems to change its focus between shots. Say I want to do a group shot and get in the picture myself so I do a focus and hit the button with timer shot selected and in 10 seconds it takes the shot. Then I had someone else who came along 'please push the shutter button to take another shot' and on those subsequent shots, it seemed to re-focus on another distance so the group is out of focus. Does it have to be re-focused for every shot? Then, on another shot, I didn't know about the general AF using all points, and even though the most of the shot was a mountain 60 miles away and infinity would have captured it best at f8 but the AF decided that the foreground shrubbery and trees were more important and the resulting shots show everything within 100 yards sharp and the mountain blurred and out of focus.
I'm so frustrated at coming back from shooting and having details and subjects not in focus that I am thinking of just setting the lens to Manual Focus and forgetting about AF all together.
What do you think? Any voice of experience to help me with this dilemma?
TIA, This is a great forum,