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SPECIFICATIONS
Camera Type Interchangeable Lens SLR Type Digital Camera
Storage Media CompactFlash™ (CF) (TypeⅠ/Ⅱ), HITACHI MicroDrive™
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 10.29 Million (2268 Columns x 1512 Rows x 3 Layers)
Pixels
Effective: 3.43 Million X3™ Full Color Pixels
(Total: 3.54 Million X3™ Full Color Pixels)
Aspect Ratio 3：2
Image Recording Format Lossless compression RAW Data (12bit)
Resolution
(File Size)
HI：2268 x 1512 (approx. 8MB)
MED：1512 x 1008 (approx.4MB)
LOW：1134 x 756 (approx. 2MB)
Interfaces IEEE1394, USB 1.1, Video Out (NTSC／PAL)
White Balance
8 Type (Auto, Sunlight, Shade, Overcast, Incandescent,
Fluorescent, Flash, Custom white balance)
Viewfinder Type Pentaprism SLR Viewfinder
Viewfinder Frame Coverage
98％ horizontal, 97％ vertical
Viewfinder Magnification 0.77x (50mm F1.4 at infinity)
Eyepoint 18mm
Diopter Adjustment Range -3dpt to +1dpt
Auto Focus Type TTL phase difference detection system
AF Operating Range EV 2 to18（ISO100）
Focus Mode Single AF, Continuous AF (AF Predict function)
Metering Systems
8-segment Evaluative Metering, Center Metering,
Center-Weighted Average 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 100, 200, 400, 800, (1600)
Exposure Compensation ±3EV（in 1/3steps）
AE Lock Push button type
Auto Bracketing
±3EV（in 1/2steps, Appropriate Exposure – Under Exposure –
Over Exposure）
Shutter Type
Vertical-travel metal focal plane shutter, electronically controlled
through entire speed range
default
1/6000sec to 15sec, Bulb up to 15sec (ISO100, 200)
1/6000sec to 4sec. (ISO400, 800)
Extended
Mode
1/6000sec to 30sec, Bulb up to 30sec (ISO100 to 1600)
Shutter Speeds
Flash Synchronization at 1/180sec.
