Sigma SD15 User Manual

54
AF AUXILIARY LIGHT
The built-in AF Auxiliary Light of the SD15 enables focusing in low light
conditions.
■ The AF Auxiliary Light can be used with (Single AF mode) and automatic or
center focus AF point selection only.
■ The AF Auxiliary Light is effective with the center focus of the automatic AF
selection only.
■ The effective distance of the AF Auxiliary Light is 3m.
CAUTION!!
• The lens hood must be removed when the AF Auxiliary Light is used. The AF
Auxilary Light may not work correctly if long and large diameter lenses are
attached to the camera as they may interfere with the beam.
• If the AF Auxiliary Light is continuously used, it may turn off temporarily in
order to protect the lamp. The AF Auxiliary Light can be used again after a
short pause.
• Do not use the AF Auxiliary Light for other purposes (lighting etc.) as
continous use of the AF Auxiliary Light will cause damage .
■ The AF Auxiliary Light can be turned off. In the set-up menu (P. 2 8 ), set the [AF
Auxiliary Light]
to the [Off] position.

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)