Image Sensor 1.3M pixels, true color image MAX Resolution (Still) 1280?024 Capture Size: (Motion) 1280?024 Real Time Sensitivity 2.7v/lux.sec@green,2.1v/lux.sec@red,2.0v/lux.sec@blue Exposure Automatic Shutter Control Automatic Interface USB 2.0 (High Speed) Frame Rate: 1280?024:10~15fps Cable Length 1.5 m Usage Ocular-tube on telescope File Format BMP, TIFF, JPG, PNG, PICT, PTL etc System requirement Windows2000 / Windows XP Weight 5.0 oz without eyepiece adapter Camera size Cylinder shape, Max ?55 mm Camera body Aluminum alloy, Black