Ever since I've switched to a full-frame camera (shallow depth of field) I have problems choosing what to focus on. Most of the time I use the rule "Focus on whatever is closest to you". This works well when shooting food, landscapes, etc... But as I found out today it doesn't always work well for people.
I was shooting a commercial photograph of two people talking. They were facing each other and I was standing behind one of them a tiny bit over her shoulder. So I could see easily see both their faces. One was facing the camera and one was in profile. The person in profile was closest to the camera so I focused on her. Mistake. I ended up with the person closest to me in focus, but the person father way out of focus.
Yeah I know, I need to get a DOF chart and memorize it. I also need to check focus on the camera display by zooming me. But I was in a hurry (mistake) and I fogot about all those things.
But the point remains....if I would have moved my focal point to the person father away, the photo would have turned out fine. I realize (in hindsight) that the person facing the camera was more important than the person in profile. I didn't need both of them in focus, but I needed to pick the right person to focus on.
Anyway, maybe some of you can share advice on how you choose what to focus on when there are multiple subjects?
(I left the CF card at work. I'll try to post photos of what I'm talking about tomorrow)