125
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 -1 to 18 (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 Sensivity
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
– Under Exposure – Over Exposure)
