SIGMA DP3 Merrill - Manual (Page 61)

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1
Select [ Capture Settings] (P.28) → [Drive Mode] → [Interval
timer], and press the button to move the interval timer setting
screen. (When the
button is pressed after selecting [Interval
timer], the current setting will be applied.)
When the Interval timer shooting mode is set in the Quick Set menu
(P.35), select [
] and press the button to display the Interval
timer setting screen (By pressing the button or the shutter botton
halfway after selecting [ ], the current setting will be applied.).
2
Set the desired interval and number of
exposures by using the
buttons.
(Interval can be set from 15 seconds to
60 minutes and number of exposures can
be set from 2 to 99 times.)
3
Press the button to apply the setting, and press the button to
go back to shooting mode.
4
Press the shutter button to start the interval timer shooting.

During the interval timer shooting, the next exposure interval begins
and the numbers of remaining exposures will be displayed.

During the interval timer shooting, the auto focus lamp will blink in
green.

When the focus mode is set to AF, the AF will be locked at the first
frame. From the second frame, pictures will be taken with the same
focus position as the first frame.

When the focus mode is set to MF, it is possible to change the focus
during the interval timer shooting by turning the Focus ring.
(It is not possible to magnify the display from the second frame.)
(If you wish to keep the same focus position, ensure the Focus ring is
not turned during the interval timer shooting.)