Canon T90 in partial or spot metering mode: just press shutter halfway and you have AE lock. Or am I wrong?
well, that's a thing that I'd like to knowWhen I take a reading with the A1 in the shadows or whatever area and then move to recompose, the meter changes the values if I simply hold the shutter half pressed. That's when you need the AE lock.
Shutter lag is formed by the time to close the aperture and swing up the mirror. This time should be added but more impotant related the reaction time of the photographer. I do not see any time related benefit in pressing a staggered release button halfway in advance.
I was thinking that the Nikon FE does the half-press on the shutter release to lock the exposure. Now, I realize that it's been ages since I shot the FE, which used to be a real workhorse for me.
I will check when I get home on my T90
Olympus OM-4T.
Spot metering. Multi-Spot metering. Exposure memory lock. Aperture preferred Auto exposure or Manual exposure.
Just to make the point that other cameras (as well as Canon) resolved the awkward AE memory lock position found on the A-1, the Olympus OM-4 places it (lock/clear)conveniently as a lever next to the shutter button.
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