OMAX 3.5X-90X Trinocular Stereo Zoom Microscope with 2MP Digital Camera and 54 LED Light

This digital zoom stereo trinocualr microscope system includes a 3.5X-90X zoom stereo trinocular microscope with dual lights - reflected and transmitted, 54-LED shadowless ring light and 2MP USB2.0 color digital camera. With the 0.5X barlow lens, the working distance can be as long as 6-1/2" (165mm), and the field of view can be as large as 2-3/8" (60mm) in diameters. The optional 2X auxiliary lens can be used to increase the total power to 180X which is good for some precision instructments. The 1600x1200