Pentax K-r Operating Manual page 123

2
Press the four-way controller (5)
and use the four-way controller
(23) to select [AE Lock].
3
Press the 4 button.
4
Press the 3 button twice.
The camera is ready to take a picture.
5
Set the exposure and press the
=/L button.
The camera locks the exposure
(brightness) at that instant.
@ is displayed in the status screen and
viewfinder while the AE Lock is
engaged.
• The exposure remains locked as long as the =/L button is kept
pressed or the shutter release button is kept pressed halfway. The exposure
remains locked for twice the amount of the exposure metering timer (p.116)
even after taking your finger off the =/L button.
• You will hear a beep when the =/L button is pressed. The beep can
be turned off. (p.269)
• AE Lock is not available when the shutter speed is set to h.
• When any of the following operations are performed, AE Lock is canceled.
- the =/L button is pressed again
- the Q button, 3 button or M button is pressed
- the mode dial is turned
- the lens is changed
- the lens with an s (Auto) position is set to other than the s position
• The combination of shutter speed and aperture value changes depending on
the zooming position even while the AE Lock is engaged when using a zoom
lens for which the maximum aperture varies depending on the focal length.
However, the exposure value does not change and a picture is taken at a
brightness level set when the AE Lock is activated.
• The exposure can also be locked when the focus is locked. Set in [5. AE-L
with AF Locked] of the [A Custom Setting 1] menu. (p.133)
AF/AE-L Button
Enable AF1
AF1
AF2 Enable AF2
AF Cancel AF
AE Lock
AE-L
Locks the exposure value
when the AF/AE-L button
is pressed
MENU Cancel
121
OK OK
4