I have my custom settings set for: C1 Portraits (AV, ISO 400, f3.5, single shot AF, center point AF): C2 Sports (AV, ISO 400, f3.5, AI Servo, Single point expanded AF). I use these for a base point, then adjust for the current situation. I like the idea, but say I shoot a few times, then hang the camera down for a minute, it powers down to save battery, then when I'm ready to shoot again, trigger the shutter button to turn it back on, and it's back to the saved settings of the custom dial, so I have to re tune the settings for the present situation. I find that a pretty big hassle, and could see people not even using these settings.

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