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HomeCamera Sigma SD Quattro Digital Camera with APS-C Sensor
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Sigma SD Quattro Digital Camera with APS-C Sensor

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.

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Description

Foveon Direct Image Sensor The World’s Only Image Capture System To Use Vertical Color Separation Technology

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.

Combination of two AF detection methods

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.

 

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    Shipping & Delivery

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    Specification
    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 LOW T:2,704×1,808 / M:2,704×1,808 / B:2,704×1,808 RAW - DNG [3:2] HIGH 5,424×3,616 LOW2,704×1,808 JPEG [1:1] SUPER-HIGH 5,120×5,120 HIGH 3,616×3,616 LOW 1,808×1,808 S-LO 1,280×1,280 JPEG [7:6] SUPER-HIGH 6,352×5,120 HIGH 4,480×3,616 LOW 2,224×1,808 S-LO 1,584×1,280 JPEG [4:3] SUPER-HIGH 6,816×5,120 HIGH 4,816×3,616 LOW 2,400×1,808 S-LO 1,696×1,280 JPEG [3:2] SUPER-HIGH 7,680×5,120 HIGH 5,424×3,616 LOW 2,704×1,808 S-LO 1,920×1,280 JPEG [16:9] SUPER-HIGH 7,680×4,320 HIGH 5,424×3,048 LOW 2,704×1,520 S-LO 1,920×1,080 JPEG [21:9] SUPER-HIGH 7,680×3,296 HIGH 5,424×2,328 LOW 2,704×1,160 S-LO 1,920×816
    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 T (Top) : 5,424×3,616 M (Middle) : 2,712×1,808 B (Bottom) : 2,712×1,808 Total Pixels : Approx. 33MP
    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 )* *It is not possible to select the mode when it is set as DNG.
    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.) Face Detection AF mode
    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℃)

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