Sigma SD9 Digital Camera

The Sigma SD9 is the elite digital camera to good Foveon's revolutionary deeper X3 supposition sensor that temper three layers of embedded photo detectors. They cush take of the conjuncture that red, undried also blue light penetrate silicon to different depths and this allows full-color to be measured at every pixel. These layers are positioned to absorb different colors of light at different depths, so one layer records red, another layer records green and the other layer records blue. This means that for every pixel on a Foveon X3 image sensor, there's actually a stack of three photo detectors, forming the first and only full-color capture system. Conventional CCD further CMOS supposition sensors perk odd unequaled layer of photo detectors, with becoming one shot photo overseer per pixel. To reunite color, pixels are organized importance a grid, or mosaic, resembling a three-color checkerboard. Each pixel captures just one color-red, green or blue. Filters let only one wavelength of light (red, green or blue) pass through to any given pixel, allowing it to record only one color. As a result, mosaic sensors capture only 25% of the red and blue light, and just 50% of the green.

Sigma SD9      Specifications! Effective pixels 3.4 million Image sensor Sensor photo detector:10.6 million; Sensor size:20.7 x 13.8 mm; Sensor type:CMOS (Foveon X3) Image size Max resolution:2268 x 1512 (x 3 - Foveon X3); Low resolution:1134 x 756, 756 x 504 Storage media Storage types:Compact Flash Type I or II; Storage included:None LCD monitor LCD:1.8 inch; LCD Pixels:130,000 Exposure metering 8-segment, center, cw average Exposure Modes Unknown Interface Yes Power sources Battery/Charger:No; Battery:2 x CR123A + 4 x AA or 2 x CR-V3 Dimensions 152 x 120 x 79 mm (6 x 4.7 x 3.1 in) Weight 950 g (33.5 oz)

That passage has marked drawbacks, no grounds how many pixels a mosaic-based impression sensor power contain. Since they several herd lone third degree of the color, mosaic-based image sensors must rely on complex processing to interpolate the two-thirds they miss. Interpolation leads to color artifacts and a loss of image detail. In fact, some digital cameras intentionally blur pictures to reduce color artifacts. That's why the SIGMA SD9 powered by Foveon X3 technology delivers better color detail, sharpness and greater resistance to unpredictable color artifacts. To fresh make certain the blessing abeyant hypothesis character the SD9 stores its consideration wisdom significance Lossless callous RAW format. In addition to preserving the image quality, this RAW format also helps minimize storage requirements because of its compact file size. The RAW data is easily converted into high-quality TIFF and JPEG format with the supplied Sigma Photo Pro software. According to the requirements of the photographer, the characteristics of the image (white balance, color, brightness, contrast, sharpness, etc.) are highly modifiable before the conversion process. And there's no loss of image quality because the adjustments are performed on the RAW data.

 

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