SIGMA SD15 - Manual (Page 47)

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It can be set from [C-Dial : M] of Camera Set-up menu (P.28).
Shutter Speed
(Default)
Shutter speed is set by rotating the C-Dial. While pressing the
button, rotate the C-Dial to set the aperture value.
Aperture
Aperture value is set by rotating the C-Dial. While pressing the
button, rotate the C-Dial to set the shutter speed.
BULB SETTING
When long time exposures are required (for shooting night scenes or very
dark subjects) the use of the “Bulb” setting is recommended. Please use a
tripod, when taking pictures with this setting.
1
Set the “D”-Dial on the “Drive Area” (P.14).
2
Set the “Mode”-Dial to the “M” position.
3
Rotate the “C” -dial until is displayed
on the top LCD panel’s shutter speed
location.
4
While pressing button, rotate the “C”
-dial to select the desired aperture.
5
Depress the shutter button fully to take the
picture.
CAUTION !!
•
It is not possible to use Bulb photography for more than 30 seconds. The
shutter will automatically close about 30 seconds after the shutter button was
pressed. (If the Extended Mode (please refer to P.80) is set to [ON], it is
possible to use Bulb photography up to 120 seconds.)