SIGMA SD1 - Manual (Page 74)

73
z
When the subject is out of focus during AE lock operation, remove your finger
from shutter button and press the shutter button halfway again, or remove your
finger from the AE lock button and restart from the beginning.
z It is possible to continue AE Lock even if the finger is released from the
button. Please set from [ Capture Settings] (P.28) → [AEL Button
Settings].
Continuous
AE Lock will continue until the button is pressed again
or the camera is turned off.
Press
(Default)
AEL will be dismissed upon releasing the finger from the
button. AE Lock will continue while pressing the
button.
HALF PRESSED AEL
It is possible to set the exposure lock when the shutter button is pressed
halfway or cancel the exposure lock.
Please set from [
Capture Settings] (P.28) → [Half Pressed AEL].
Off
The exposure will not be locked while pressing the shutter
button halfway. The exposure will be determined when
depressing the shutter button.
On
(Default)
The exposure will be locked when the shutter button is
pressed halfway. While pressing the shutter button is
halfway, the exposure will not change.
CAUTION !!
•
Only when the AF mode is set to , [Half Pressed AEL] will function.
When the AF Mode is set to or the camera is in Manual Focus mode, it
is not possible to lock the exposure by pressing the shutter button halfway
even if [Half Pressed AEL] is set to ON.