Olympus E1 5.5MP Digital SLR Camera (Body Only) Exclusive Supersonic Wave Filter virtually eliminates dust particles 3 ASIC Digital Engine provides unique Parallel processing system allows up to 12 images at 3 fps in any mode (TIFF, JPEG, RAW, or JPEG + RAW) Separate 128MB image buffer USB 2.0 / FireWire ( IEEE-1394 ) connectivity Magnesium alloy metal body for extreme durability and lightweight, water resistant comfort