RICOH GXR DIGITAL CAMERA BODY GR LENS A12 50mm F2.5 MACRO GR LENS A12 28mm F2.5 RICOH LENS S10 24 - 72mm F2.5 - 4.4VC RICOH LENS P10 28 - 300mm F3.5 - 5.6VC GXR MOUNT A12 Firmware upgrade Level Manual | 江苏中科龙梦 technology LM-GS2E motherboard user manual |