Learn how to set focus on your dSLR more effectively -- without using the shutter button. by November 5, 2014 1:00 PM PST facebook twitter linkedin googleplus more more + email tumblr stumble delicious reddit pinterest digg Did you know you don't have to half-press the shutter button to focus? Here is an introduction to the brave new world of back button focus.What is it? The magic AF-On button. Lexy Savvides/CNET Normally, photographers learn to half-press the shutter button on their dSLR to find focus, and then fully press the button to take the photo. Back button focus frees up the shutter button to serve just one task: taking the photo. The photographer then uses one button at the back...
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