I've set AE/AF--L to AE-ON. The Fn button along with a dial is set to change crop. I also use the FN button on the D3s and D800e to do the same, so I have consistency across the 3 bodies.However, I do see when having one button lock exposure and teh other lock focus would be a good idea.Mickhttp://www.mickklassphoto.comorVisit my nikonians gallery
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