AE-L BUTTON
The AE-L button (1) has two main functions that can be
incorporated in various working methods involving exposure
locking. It also has an extra function for the ash measure
capability (see AE-L section under Flash). The AE-L button can:
Lock an EV setting in manual and automatic modes
When the button is pressed, the light metering facility is locked
to the EV setting at that moment. An L (=locked) symbol
appears between the shutter speed and the aperture indication
on the Touch Display and Electronic Viewnder Display to
conrm the status. Press the AE-L button again to unlock (a
toggle function).
In the locked setting, the aperture and shutter speed become
interlocked. In this way, a new aperture/shutter combination
that still represents the same EV, can be rapidly chosen. For
example, if the shutter is set to 1/125s and the aperture to
f/8 and are locked together, you can access new EV-equivalent
combinations of, for example, 1/30s a f/16 or 1/500s at f/4
just by moving the front scroll wheel.
In practice this means that you can, for example, in auto mode
position the metering area (spot setting) over an area in the
subject that you determine to be equivalent to a mid-grey and
lock it with the AE-L button. You can then recompose the picture
with the metering zone positioned over an area much brighter
or darker while still retaining the original exposure setting and
choose a new combination of aperture and shutter speed
settings.
1
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USER GUIDE
39
Functions
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General
Weight and Dimensions
