AmScope 40x-2000x Veterinary Compound Microscope + Mechanical Stage + USB2.0 Digital Camera 40X-2500X Precise glass optical magnification settings Sturdy metal framework w/ Separate coarse &amp; fine focusing and mechanical stage Abbe condenser w/ Iris diaphragm and color filter holder 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