> Good question. In addition to the AF points lighting up the plane
> of focus, the most common reason is when I want to temporarily
> disable custom settings. E.g. MLU, 2nd curtain sync, FEC, FEB,
> or even just plain exposure bracketing.
>
> So, if I only want a single shot with AI Focus and Evaluative
> metering, that's what green mode can give with a quick twist of
> the command dial, instead of the fifteen button-pushes I would
> need to undo the custom settings. (and the fifteen keypresses
> to set them back afterwards)
>
> Pity there is no "User selection" for Custom functions like there
> is for eye-control calibrations :-(
>
> Is there really is a place for barcodes?
>
> Cheers
> Julian Loke
Julian, try using P mode for those situations, and use the manual focus to
'touch up' your focus. I find I use this sometimes when I'm in need of a
quick, no-think grab shot. AIFocus has screwed me up a few times with focus
shifting when I don't want it to. I have a custom function set so I can
manually touch up my focus manually in one shot mode. Do you use this custom
function on your 7? I'm not sure what difference it makes, perhaps the focus
lock light stays on, I think you can touch-up your focus without it, not
really sure.
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