Sigma SD1 Merrill with 17-50mm F2.8 EX DC OS HSM Lens Kit - International Version (No Warranty) Intuitive user interface : The improved user interface provides faster and more convenient operation. Aperture and shutter speed can be set by their own dials. The exposure compensation button and exposure mode button are on top of the body for quick access. A Quick Set (QS) menu lets you easily change commonly used functions. To display the QS menu, simply press the QS button. QS menu 1 is for ISO setting, flash mode, metering mode and AF mode; QS menu 2 offers white balance, image quality, image size and color mode. Large, highly visible 3.0TFT color LCD Monitor : The SD1 camera features a 3.0 inch TFT color monitor. This 460,000 pixel resolution LCD monitor benefits from a wide viewing angle, making it easy to check focusing and composition. Splash proof design : Buttons and connections benefit from O-ring sealing connections to prevent dust and water getting inside the camera body. Dual TRUE II image processing engine : The SD1 incorporates a dual "TRUE (Three-layer Responsive Ultimate Engine) II" image processing engine which improves the processing speed and overall quality of the final image. The unique image-processing algorithm provides high resolution power and reproduces high definition images with richly graduated tones. In addition, the SD1 is Sigma's first camera to allow simultanous RAW and JPEG recording. Optional lenses : The SD1 can be used with over 40 Sigma lenses such as ultra-wide, ultra-telephoto, macro and fisheyes which adopt the latest technology such as the FLD ("F" Low Dispersion) glass elements, which have the performance equal to fluorite glass, SLD glass, Aspherical lenses, Sigma's own unique Optical Stabilizer function, Hyper Sonic Motor and Sigma's Super Multi Layer Coating. They meet the various and demanding requirements of all types of photographers.