SIGMA SD1 - Manual (Page 51)

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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.13).
2
Set the Mode dial to the “M” position.
3
Rotate the S-dial ( ) until is
displayed in the viewfinder display.
4
Rotate the A-dial ( ) to select the desired
aperture value.
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.
•
It is not possible to use the self-timer and Bulb photograhy at the same time.
If you set the D-dial to the self-timer with setting Bulb, the shutter will be
released with 1/180 second. (1/200 second will be displayed in the image
information.)
z It is possible to extend the Bulb time up to 120 seconds by setting the camera
to Extended Mode.
Please set from [
Camera Settings] (P.28) → [Extended Mode] and select
[On].
CAUTION!!
•
When using the extended Buld time, the image quality may be lowered due to
increased noise.