Turn your traditional microscope (stereo and biological) into a high-resolution digital microscope using a 2MP CMOS sensor digital microscope imager. Place the imager over the eyepiece of your microscope and stream the image to your computer via a USB cable. It's the perfect tool for hobbyists, teachers, students, medical labs, exhibits and more. Celestron S-Viewer Software Use the included Windows software to capture images and video of your discoveries. Measure and annotate your specimens with built-in measurement and marking tools. Note – S-Viewer software is only compatible with Windows (XP, Vista, Windows 7/8/10). Imager can be used directly as an external camera on Mac OS systems via Photo Booth or Quick Camera.