Buy from Amazon : br br Ricoh GXR Interchangeable Unit Digital Camera System with 3-Inch High-Resolution LCD and P10 br br Lens image sensor and image processing engine comprise an integrated unit which can be changed to match the scene being photographed br Worlds smallest and lightest digital camera with interchangeable lenses br System potential expanded through use of interchangeable units br Body exterior is die cast magnesium and the the surface is covered with a corrosion-resistant pear-skin coating br The automatic exposure modes include program shift mode shutter priority mode and aperture priority mode