Feature: 1. TWO MODES OF OPERATION: Eyepiece support manual or automatic white balance, manual or automatic exposure, stainless steel metal case is durable 2. SENSITIVE AND ACCURATE: Electronic eyepiece with 1/3in sensor, progressive scanning, possess low illumination and high sensitivity 3. CLEAR IMAGE: Eyepiece adopt 960 TV cable hardware, professional micro image sensor, bring clear imaging, good color reduction, The factory default is PAL 4. PERFECT REPLACEMENT: Used to replace the eyepiece on conventional microscopes, converting existing conventional microscopes with 23mm or 30mm eyepiece diameters into digital microscopes 5. MULTIPLE FEATURES: More powerful eyepiece with new features such as measurement, calibration, note taking and comparison Specification: Item Type: Electronic Eyepiece Material: ABS, stainless steel Basic Parameters: Microscope Connection Mode: Diameter Approx. 23.2mm / 0.91in interface, directly inserted into the eyepiece barrel Output Signal: Video, CVBS Digital Image: None Image Sensor Size: 1/3 inch, Approx. 4.840 x 3.611mm / 0.19 x 0.14in Sensor Horizontal Resolution: 960 TV cable Sensor Effective Pixels: PAL: 968(H)x488(V), NTSC: 960(H)x480(V) Image Control: Manual or automatic white balance, manual or automatic exposure Minimum Illumination: 0.005 Lux Signal to Noise Ratio: 43.6dB Dynamic Range: 65.9dB Power Consumption: 140mW Operating Temperature: -20-50℃ Relative Humidity: <= 90%. Package List: 1 x Eyepiece1 x Floppy Disk1 x User Manual