46 megapixel. 23.5×15.7mm Full-colour X3 Merrill sensor
The 23.5×15.7mm full-colour FOVEON X3 direct image sensor featured in the SIGMA DP Merrill series, incorporates 46 effective megapixels (4,800×3,200×3 layers) and 44 recording megapixels (4,704×3,136×3 layers). The FOVEON X3 direct image sensor captures all primary RGB colours at each and every pixel location with 3 layers, ensuring the capture of full and complete colour. Since colour moiré is not generated, the use of a low-pass filter is not required, meaning both light and colour is captured with a three-dimensional feel.
Dual TRUE II image processing engine
The SIGMA DP Merrill series incorporate a dual “TRUE (Three-layer Responsive Ultimate Engine) II” image processing engine dedicated to FOVEON X3 direct image sensor. This improves the processing speed and overall quality of the final image. By incorporating two TRUE II processors, Sigma’s unique image-processing algorithm provides high resolution power and reproduces high definition images with richly graduated tones.
Exclusively designed high performance lenses
The exclusively designed lenses for the SIGMA DP Merill series are developed to maximise the sensor performance. For the SIGMA DP1 Merrill, a 19mm F2.8 lens, equivalent to 28mm on a 35mm SLR camera, and for SIGMA DP2 Merrill, a 30mm F2.8 lens, equivalent to 45mm on a 35mm SLR camera. FLD (“F” Low Dispersion), which has a performance equal to fluorite glass, and molded glass aspherical lenses correct aberrations. The superior telecentric optical design improves image quality throughout the frame by passing on information about subjects to the sensor. The Super Multi Layer Coating reduces flare and ghosting, which makes it usable even under severe conditions such as taking photos against or towards the sun.
RAW+JPEG format recording
The SIGMA DP Merrill series obtain a RAW data recording mode for retaining full image capture detail of the utmost quality captured through the direct image sensor, plus a JPEG recording format for convenience. The RAW data format of the DP Merrill series keep brightness and colour data in a 1:1 ratio without relying on interpolation. When the image is processes in SIGMA Photo Pro, it will preserve the balance of the natural data for the best photos with the best image quality. It is also possible to record RAW data and JPEG data simultaneously to provide more convenience.
SIGMA Photo Pro
The supplied image processing software, “SIGMA Photo Pro”, converts RAW data quickly and easily. While looking at photographed images, it is possible to render desired photographic expression by moving the slider from side to side. It incorporates functions such as a loupe, exposure picker, print, JPEG conversion, and batch white balance settings.
Manual Focus
Manual Focus is available for use when autofocus or focus lock is not desired. It is possible to use the focus ring for focusing just like an SLR camera. It is also possible to magnify the display to ensure precise focusing.
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