Sigma SD15 User Manual

46
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. 1 4 ).
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.)

Sigma SD15 Specifications

General

Camera Type	Interchangeable Lens SLR Type Digital Camera
Image Sensor Size	13.8 x 20.7mm
Lenses Used	Sigma SA Mount Lenses
Picture Angle	Equivalent to 1.7x the focal length of a lens when used on a 35mm SLR camera.
Lens Mount	SA mount
Imaging Element Type	FOVEON® X3™ (CMOS)
Color Photo Detectors	14.06 Million (2652 Columns x 1768 Rows x 3 Layers)
Image Recording Format	Lossless compression RAW Data (12bit), JEPG
White Balance	8 Type (Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom white balance)
Viewfinder Type	Pentaprism SLR Viewfinder
Viewfinder Frame Coverage	98％ horizontal, 98％ vertical
Viewfinder Magnification	0.9x (50mm F1.4 at infinity)
Eyepoint	18mm
Diopter Adjustment Range	-3dpt to +1.5dpt
Auto Focus Type	TTL phase difference detection system
AF Operating Range	EV 0 to 18 (ISO100)
Focus Mode	Single AF, Continuous AF (AF Predict function), MF
Metering Systems	Evaluative Metering, Center-Weighted Average Metering, Center Area Metering, Spot metering
Metering Range	EV 1 to 20 (with 50mm F1.4 at ISO100)
Exposure Modes	(P) Program AE、(A) Aperture Priority AE、 (S) Shutter Speed Priority AE、(M) Manual
ISO Sensivity	ISO (50), 100, 200, 400, 800, 1600, (3200) *( )Extended Mode
Exposure Compensation	±3EV (in 1/3steps)
AE Lock	Push button type
Auto Bracketing	Three or five frames (in 1/3steps, Appropriate Exposure – Under Exposure – Over Exposure)
Shutter Type	Vertical-travel metal focal plane shutter, electronically controlled through entire speed range
Storage Media	SD Card / Compatible with SDHC, Multi Media Card
Aspect Ratio	3：2
Resolution	HI：2640 x 1760 MED：1872 x 1248, LOW：1312 x 880
Interfaces	USB 2.0, Video Out (NTSC／PAL)