Nikon Camera F50 - Manual (Page 50)

USING AE-L BUnON
When your subject is off-centre or very small against
an extremely bright background, your subject may
come out too dark (underexposed) in the picture. Or,
with a background that is too dark, the subject may be
washed out (overexposed). In such situations, to
correctly expose your subject in the auto exposure
mode, use the AE-L (Auto Exposure Lock) button.
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Compose your subject so that the circle in the
viewfinder is fully covered by the subject.
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