AmScope 10X-20X-30X-60X Digital Binocular Stereo Microscope with Top & Bottom Dual Light Illumination System and USB Camera 10X-20X-30X-60X stereo widefield magnification settings Forward binocular head with precise optical glass lenses Sturdy all metal framework arm stand with built-in incident (top) and transmitted (bottom) lights 640x480 USB 2.0 digital camera for photos and videos on Windows and Mac, with 3rd-party software support User-friendly software (Windows only) offers processing and advanced features including Stitching, EDF, Video Recording and Measurement functions