Shooting With One-Point Spot Metering - Olympus OM-3Ti Instructions Manual

SHOOTING WITH ONE-POINT SPOT METERING

This is partial metering of only one point on the picture
frame. Correct exposure is obtained by simply pressing
the spot button. We will give a simple example to explain
when one-point spot metering is used. If a backlighted girl
is exposed on averaged light metering, the expressions in
her face will not be clear because it comes out entirely
underexposed under the effect of sunlight. For correct
exposure of her face, it is recommended to make a one-
point spot metering on it. Conventional exposure
operations based on the photographer's experiences and
guesswork have thus been completely eliminated to
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facilitate exposure compensation in backlight. As soon as
the spot button is pressed, the brightness of the spot area
is locked. So you can frame your picture as you like.
To clear the input value, operate the clear lever.