C-mount/Eyepiece USB camera, 1,3Mp C-mount system for video and still-image capturing at MIDDLE resolution. An optical adapter (included) can be used to connect it to the eyepiece tube of monocular and binocular microscopes. TECHNICAL SPECIFICATIONS: Sensor: CMOS 1/3" Resolution: 1280 x 1024 pixels (1.3 Mpixels) Frame Rate at Full Resolution: 15 frames/sec Frame Rate at VGA Resolution: 30 frames/sec Optical Format: 1/3" Aspect Ratio: 4:3 S/N Ratio: 44 dB Dynamic Range: 71 dB Sensitivity: 1,0V/Lux-second C-Mount: Yes Optical adapter for eyepiece tube: 0,45x (for eyepiece tube) Additional ring adapters for stereomicroscopes: 30,0mm dia., 30,5mm dia. Calibration slide: 76x24mm micrometric calibration slide System Requirements: Windows XP/Vista/Seven, 32-64 bit, USB port Software: Optika Vision Lite / OPTIKA View Capture Features: Continuous auto white balance, continuous auto exposure Included with the camera: 1.8 m USB cable, carton box.