Pentax 19156, Operating Manual

Page: 150 / 220

148
5
F
uncti
on Re
ferenc
e
Set Exposure Setting Steps in [Expsr Setting Steps] in [
A
Custom Setting]
to increments of 1/2 EV or 1/3 EV.
AE Lock is a function that memorizes the exposure prior to taking the
picture. Use this when the subject is too small or backlit and a proper
exposure setting cannot be obtained.
1
Press the
L
button.
The camera memorizes the exposure
(brightness) at that instant.
Press it again to unlock.
Changing the Exposure Setting Steps
Recording the Exposure Before Shooting (AE Lock)
•
@
is displayed in the viewfinder while the AE lock is engaged. (p.20)
• The exposure remains in memory for twice as much time as the metering
timer after releasing the
L
button. The exposure remains locked as long
as the
L
button is kept pressed or the shutter release button is kept
pressed halfway.
• You will hear a beep when the
L
button is pressed. The beep can be
turned off. (p.170)
• AE lock is not available when the exposure mode is
a
(Manual) or
p
(Bulb) mode.
• 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 maximum aperture varies depending on the focal length.
However, the exposure value does not change and the picture is taken at the
brightness level set by the AE lock.
• If the exposure mode is
a
(Manual), the aperture and/or shutter speed are
automatically adjusted to set the appropriate exposure when the
L
button is pressed. (p.146)
• Exposure can be fixed when focus is locked. Set in [AE-L with AF locked] in
the [
A
Custom Setting] menu. (p.131)
Expsr Setting Steps
Exposure setting steps
are set to 1/2 EV
1/2 EV Steps
1/3 EV Steps