About 5 months ago I changed my focusing technique to use the * button on the back of my camera to lock the focus rather than the shutter release. I saw this tip on Chris Humphrey's Blog and decided to make the switch. The idea is to separate the focus function from the shutter function. I love it because when I'm shooting a stationary portrait or some situation where the camera to subject distance is constant, I can lock in the focus and shoot away, even re-composing, and the focus will stay dead-on. This has also freed me up from constantly changing my focus points which I used to do because I wasn't confident in the shutter locking the focus. I now leave the center focus point selected and recompose after locking in the focus using the * button on the back of the camera.

If you want to try it (and have a Canon camera--not sure how Nikon's do this) follow these steps:

1. To do this, go to custom function 4 and set it to setting 1. (setting 0 is default)
2. Turn your AF setting to AI Servo. Leave it there from now on and never take it off.

It's taken me a little getting used to but I feel so much more confident in my focus being dead-on with this system.

To see Chris' original post that I read, click here.
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