Pentax K-5II, Руководство по эксплуатации

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107
Sho
o
ting
Func
tion
s
4
AE Lock is a function that locks the exposure prior to taking a picture. Use
this when the subject is too small to obtain a proper exposure or is backlit.
1
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.
Locking the Exposure Before Shooting (AE Lock)
• 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.104) 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.252)
• AE Lock is not available in
B
(Green),
p
(Bulb Exposure) or
M
(Flash X-
sync Speed) mode.
• 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
- a lens with an
s (Auto) position is set to a position 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 whose maximum aperture value 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.115)