Featuring the 39-megapixel-equivalent Foveon X3 Quattro direct image sensor, this camera optimally balances outstanding image quality with fundamental performance.
Debuting in the new SIGMA dp Quattro series, the latest-generation Foveon X3 Quattro direct image sensor delivers superior resolution and expressive power. An APS-C size sensor, it offers 39-megapixel-equivalent resolution in combination with an optimal file size and efficient image processing speed. With its balanced performance, the SIGMA sd Quattro series sets a new standard for high-end cameras that leverage the capabilities of outstanding interchangeable lenses.
Starting with our very first digital camera, we have featured the Foveon direct image sensor, which offers radically better image quality than any other sensor available. Leveraging the light absorption characteristics of silicon, the sensor comprises three layers of photodiodes, each at a different depth within the silicon and each corresponding to a different RGB color. Since it is the only sensor to use this superior vertical color separation technology, it is also the world’s only direct image sensor.
Almost all other image sensors are mosaic sensors, which use an array of RGB color filters in a single horizontal plane to capture color information. Each pixel is assigned only one of the three colors and cannot capture all three colors at once. In contrast, the Foveon direct image sensor captures color vertically, recording hue, value, and chroma accurately and completely for each pixel.
In the Foveon direct image sensor, there are no color filters which would cause a loss of information transmitted by light. Moreover, there is no low-pass filter needed to correct the interference caused by a color filter array. Finally, unlike the data from other sensors, which requires artificial interpolation to “fill in” missing colors, the data from the Foveon direct image sensor is complete for every single pixel and requires no interpolation. The unique technological principle of this sensor produces consistently outstanding image quality.
Phase detection AF is superior for speed performance, while contract detection AF is superior for focusing accuracy. Combining these two methods in a single system delivers AF that is fast and precise at the same time. In addition, this approach to autofocus takes full advantage of the characteristics of high-performance lenses. The Single AF mode is optimal for everyday photography, while the Continuous AF mode is optimal for focusing on a moving object. In the latter mode, pressing the shutter button halfway causes autofocus to operate continuously, while Movement Prediction AF operates at the same time for more accurate autofocusing. A variety of other AF modes are also available. 9-Point Selection AF mode allows the user to select among nine focus frames. Free Movement AF mode allows the user to select the focus frame with high precision. Face Detection AF mode detects human faces and prioritizes focusing on them. The AF assist light incorporated in the camera body makes possible the use of AF even in low-light conditions.
Focal Length | 19mm |
35mm Equivalent Focal Length | Approx.28mm |
Lens F number | F2.8~F16 |
Number of Diaphragm Blades | 9 Blades |
Lens Construction | 9 Elements in 8 Groups |
Shooting Range | 20cm~∞, LIMIT Mode (It is possible to choose Macro, Portrait and Scenery.) |
Maximum Magnification Shooting | 1:8.3 |
Number of Recording Pixels |
RAW HIGH T:5,424×3,616 / M:2,712×1,808 / B:2,712×1,808 RAW - DNG [3:2] HIGH 5,424×3,616 JPEG [1:1] SUPER-HIGH 5,120×5,120 JPEG [7:6] SUPER-HIGH 6,352×5,120 JPEG [4:3] SUPER-HIGH 6,816×5,120 JPEG [3:2] SUPER-HIGH 7,680×5,120 JPEG [16:9] SUPER-HIGH 7,680×4,320 JPEG [21:9] SUPER-HIGH 7,680×3,296 |
Dimensions | 161.4mm/6.4"(W), 67mm/2.6"(H), 87.1mm/3.4"(D) |
Weight | 425g/15.0oz. (without battery and memory card) |
Image Sensor | Foveon X3 Direct Image Sensor (CMOS) |
Image Sensor Size | 23.5×15.7mm |
Color Photo Detectors |
Effective Pixels:Approx. 29MP |
Storage Media |
Lossless compression RAW data (14-bit), DNG (No compression RAW Data 12-bit), JPEG (Exif2.3), RAW+JPEG |
JPEG Image Quality |
FINE, NORMAL, BASIC |
Aspect Ratio |
21:9, 16:9, 3:2, 4:3, 7:6, 1:1 |
ISO Sensitivity |
ISO100–ISO6400 (1/3 steps for appropriate sensitivity), AUTO: High limit, low limit setting is possible between ISO100~ISO6400. When using with flash, it changes depending on the low limit setting. |
White Balance |
10 types ( Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom ) |
Color Mode |
11 types ( Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome )* |
Auto Focus Type |
Contrast Detection Type |
AF Point |
9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large.) |
Focus Lock |
Shutter release halfway-down position (AF lock can be done by AE lock button from menu setting) |
Manual Focus |
Focus Ring Type |
Metering Systems |
Evaluative Metering, Center-Weighted Average Metering, Spot Metering |
Exposure Control System |
(P) Program AE (Program Shift is possible), (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual |
Exposure Compensation |
±3EV (1/3 stop increments) |
AE Lock |
AE lock button |
Auto Bracketing |
Appropriate, under, over; 1/3EV steps up to ±3EV for appropriate exposure |
Shutter Speed |
1/2000* - 30sec. (*Depending on the aperture value, shutter speed changes) |
Drive Modes |
Single, Continuous, Self Timer (2sec. /10sec.) Interval timer |
LCD Monitor Type |
TFT color LCD monitor |
Monitor Size |
3.0 inches |
LCD Pixels |
Approx. 920,000 Pixels |
LCD Monitor Language |
English / Japanese / German / French / Spanish / Italian / Chinese(Simplified) / Chinese(Traditional) / Korean / Russian / Nederlands / Polski / Português / Dansk / Svenska / Norsk / Suomi |
Interfaces |
USB / Cable Release Switch |
Power |
Li-ion Battery Pack BP-51, Battery Charger BC-51, AC Adapter SAC-6 (with DC Connector CN-21) (Optional) |
Battery Life |
Approx. 200 (+25℃) |
In the Box:
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