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Thread: Back button & AF points

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    Ausphotography Regular Filter's Avatar
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    Back button & AF points

    If you save me time trolling please do. With my Canon 7Dii I am using back button AF, I have selected single square AF with the small square inside that. My issue is that when I press the back button the single AF square changes to the single square with the four small squares surrounding it. My two questions are: is this meant to act this way? & am I getting the critical single I want? If you get my drift........

    Alan
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    can't remember Tannin's Avatar
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    From memory, there is a custom function called something like "auto-expansion of selected AF point". Turn this off. It is good for certain tasks (e.g., flight shots) but bad for a sitting bird. (The 1D III certainly has this functionj, as does the 1D IV, and I think the 7D and 7D II are similar.)
    Tony

    It's a poor sort of memory that only works backwards.

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    Ausphotography Regular
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    Quote Originally Posted by Tannin View Post
    From memory, there is a custom function called something like "auto-expansion of selected AF point". Turn this off. It is good for certain tasks (e.g., flight shots) but bad for a sitting bird. (The 1D III certainly has this functionj, as does the 1D IV, and I think the 7D and 7D II are similar.)
    Thanks Tony, you seem to be on the right track. I looked at a couple of videos about this & couldn't find how to turn it off. Away to Thailand for a week so will have another crack at it when I get back. Cheers.

    Alan.

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