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SPECIFICATIONS
Camera Type Interchangeable Lens SLR Type Digital Camera
Storage Media CompactFlash™ (Type I, UDMA compatible)
Image Sensor Size 23.5 x 15.7mm
Lenses Used SIGMA SA mount interchangeable lenses
Picture Angle
Equivalent to approx.1.5 times the focal length of the
lens (for 35mm cameras)
Lens Mount SIGMA SA bayonet mount
Imaging Element Type Foveon X3® direct image sensor(CMOS)
Color Photo Detectors
Total Pixels : 48MP
Effective Pixels : 46MP (4,800×3,200×3 layers)
Aspect Ratio 3:2
Still Image Format Exif 2.3, DCF 2.0
Image Recording Format
Lossless compression RAW Data (12-bit), JEPG
Resolution
HI:4704 x 3136
MED:3264 x 2176, LOW:2336 x 1568
Image Quality Modes
RAW、JPEG (Fine, Normal, Basic)、RAW+JPEG(Fine)
Interfaces USB 2.0, 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, 98% vertical
Viewfinder Magnification 0.95x (50mm F1.4 at infinity)
Eyepoint 18mm
Diopter Adjustment Range
-
3dpt to +1.5dpt
Auto Focus Type
TTL phase difference detection system
11 points twin cross sensor
AF Operating Range EV
-
1to18(ISO100)
Focus Modes 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 Sensivit
ISO 100, 200, 400, 800, 1600, 3200, 6400
Exposure Compensation ±3EV (in 1/3steps)
AE Lock
AE lock button is pressed or shutter release button is
pressed halfway
Auto Bracketing
Three or five frames (in 1/3steps, Appropriate Exposure