The Zoom Stereo Microscope from Micron is a top rated advanced optical instrument for professional laboratory, industrial, and research applications requiring continuous magnification adjustment. Available in binocular and trinocular viewing head configurations, this microscope features a 1:6.4 zoom ratio with 7x to 45x magnification range using WF 20x paired eyepieces. The 45-degree inclined, 360-degree rotatable binocular head provides exceptional ergonomic comfort. The 100mm standard working distance can be extended from 30mm to 165mm with optional auxiliary lenses. For professionals seeking the best zoom stereo microscope for versatile inspection and documentation, this model is an outstanding choice. One of the best features of this zoom stereo microscope is its continuous zoom capability and versatile illumination options.