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Originally Posted by KenCo1964
Well I'm probably the only one on here who doesn't understand, I just can't see what difference it makes....using the shutter button for focus and the ae button for ae.....or vice versa?
Looking forward to someone enlightening me.
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The biggest advantage as I understand it is that it seperates exposure and autofocus, handy in situations where you're subject could be changing from one lighting situation to another.
Say for example a motorbike moving from a shaded part of the track to a brightly lit one ideally needs two different exposures. If you use only the shutter button to set focus and exposure the problem is that the exposure is locked to the first actuation so taking a burst of shots could give exposure issues. Seperating them gives you the ability to maintain autofocus but also adjust exposure. You really need to try to change the method you shoot, not take bursts but try to take individual shots. Not easy.
At least that's what I understand it does anyway, I'm sure I'll be corrected if it's not
