The QS-IR940 is part of the Q-scope range of digital microscopes, offering the best solutions for a broad range of applications like industrial quality-control, medical & life sciences, forensics, science & education, art restoration and many other fields. This model features both white and infrared LEDs, allowing you to swith from visible light to 940nm for light-sensitive applications Connect to your Windows or Mac computer with USB for realtime on-screen viewing. You can capture images and video using Q-focus -- the user-friendly software that makes viewing and editing images fast and fun. Connect to Windows or Mac with USB 2.0 Designed to fit your hand comfortably Q-focus software provides tools for measurements. A polarizer can prevent unwanted reflections and detect stress in transparent materials Specifications Connection USB 2.0 OPTICS Magnification 10-50x and 200x Zoom Yes, distance controlled Working distance Standard Lens type High grade optical glass with multi-layer anti-reflection coating Focus range Manual focus from 10 to 500 mm Polarizer Yes SENSOR Sensor type CMOS Size 2.0 megapixel Resolution 1600x1200, 1280x960, 800x600, 640x480 Max. frame rate 30 fps FEATURES Illumination 4 940nm infrared LEDs, 4 white LEDs Software Q-focus analysis software with measurement and annotation functions BODY Dimensions (d) 34 x (l) 140 mm Weight 115 grams