The Sigma DP1 Quattro incorporates 19mm F2.8 (equivalent to a 28mm lens on a 35mm SLR) high performance wide angle lens, which is optimised for the Quattro sensor to maximise the sensor performance, not only around the focusing point, but also other areas in the image. With the release of Sigma DP1 Quattro, photographers can suit cameras to each photography style. The Sigma DP1 Quattro designed for wide angle photography. Unique and without peer among image sensors, the Foveon direct image sensor is similar to traditional colour film in that its multiple layers capture all of the information that visible light transmits. Along with Sigma’s proprietary image processing technology, this sensor produces incredible resolution, precise gradation, gorgeous colour, breathtaking realism with a 3D feel. In other words, full-bodied image quality. Pixels Actual: 33 Megapixel Effective: 29 Megapixel Sensor: APS-C (23.5 x 15.7 mm) Foveon Bit Depth: 14-bit File Formats Still Images: JPEG, RAW Max Resolution: 5424 x 3616 Lens: 9 elements in 8 groups EFL: 19mm (35 mm equivalent: 28mm) Aperture: f/2.8 to f/16 Filter Thread: 58mm Focus Range: Normal: 7.87" (20 cm) - Infinity ISO Sensitivity: 100-6400 Shutter: 30 - 1/2000 second Exposure Metering: Center-weighted, Evaluative, Spot Exposure Modes Modes: Aperture Priority, Manual, Program, Shutter Priority Built-in Flash: No External Flash Connection: Hot Shoe Memory Card Type: SDXC, SDHC, SD Screen: 3" LCD (920,000 pixels) Wi-Fi: None Battery: 1x BP-51 Rechargeable Lithium-Ion Battery Pack AC Power Adapter: SAC-6 (Optional) Dimensions (WxHxD): 161.4 x 67.0 x 87.1 mm Weight: 425 g LVF-01 LCD Viewfinder; By attaching it to the dp Quattro camera's LCD display, the LCD Viewfinder cuts off outside light and magnifies the LCD display by 2.5x to allow photographers to check the focusing more easily. LCD Viewfinder LVF-01 incorporates a high performance lens and coating, ensuring clear and crisp visibility. Similar to using a viewfinder of a DSLR, holding the viewfinder to your eye allows more stable handling, thus reducing camera shake, and enables the photographer to see more detail in the image. LCD Viewfinder LVF-01 incorporates a diopter adjustment with a range from -2 to +1. Size 81.5 x 70.9 x 132.6 mm