Quote Originally Posted by Keith B
I'd show up and have very little time to plan shots so I'd start shooting and decide I needed a different lens and after a couple changes I'd find my subject were losing patients and faith.

Planning ahead helps a lot, but I've never had a problem with subjects losing patience. In fact, I find myself purposefully going slow as I change lenses because it takes the attention off me for a while so I can think about how I'm going to approach the next shot.