The PENTAX K20D digital SLR offers advanced photo enthusiasts an array of exciting PENTAX innovations. The newly developed CMOS image sensor brings out optimum performance of PENTAX interchangeable lenses. Featuring 14.6 effective megapixels (highest in its class) and the latest noise-reduction technology, the sensor assures superb image quality. This SLR will make you feel in control with its Live View function that allows the photographer to see the image on the camera's back panel LCD monitor while shooting. Customizable features ideal for shooters who demand complete control include the Expanded Dynamic Range function that allows users to gain more contrast/detail in bright settings and a new Custom Image function to select/adjust finishing touches to an image. Weather and dust resistant body allows you to keep shooting even in harsh conditions; Dust Reduction and Dust Alert features eliminate the need of time retouching Advanced 16-segment metering and 11-point AF, with 9 cross sensors, ensure perfectly exposed and focused images Unique exposure modes, such as hyper-program, Sv and TAv, offer shooting versatility Retractable P-TTL popup ElectronicFlash; Guide number - 13 (100/m); Coverage - 28mm wide angle (equivalent to 35mm) Flash modes - on, redeye, slow sync, slow sync + redeye, trailing curtain sync, wireless; Flash exposure compensation - -2 to +1 EV in 1/2 steps / Hot Shoe for adding optional external-flash USB 2.0 hi-speed, video out, DC input, cable switch, X-Sync socket; Video out - NTSC, PAL; Printer interfaces - PictBridge Body dimensions (W x H x D) - 5.6 x 4.0 x 2.76 ; Body weight (without battery or removable memory) - 25.2 oz; Loaded and ready - 28.2 oz Uses and includes Rechargeable Li-Ion Battery D-LI50 (39581) with Charger