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Shutter-Speed and Aperture Lock
Shutter speed lock is available in shutter-priority auto and manual
exposure modes, aperture lock in aperture-priority auto and
manual exposure modes.
Shutter speed and aperture lock are not
available in programmed auto exposure mode.
1 Assign shutter speed and aperture lock to a camera
control.
Select Shutter spd & aperture lock as the “button +
command dials” option in the Custom Settings menu (0 314).
Shutter speed and aperture lock can be assigned to the Fn
button (Custom Setting f4, Assign Fn button, 0 311), the
depth-of-field preview button (Custom Setting f5, Assign
preview button, 0 315), or the A AE-L/AF-L button (Custom
Setting f6, Assign AE-L/AF-L button, 0 315).
2 Lock shutter speed and/or aperture.
Shutter speed (exposure modes f and h): Press the selected button
and rotate the main command dial until F icons appear in the
viewfinder and control panel.
To unlock shutter speed, press the button and rotate the main
command dial until the F icons disappear from the displays.
Fn button Main command dial