ProZoom® 6.5 Binocular Microscope featuring Super-Wide (28mm) 10x Eyepieces. Standard Magnification Range of 5.0 - 65x (up to 390x with options). 0.5 Aux. Lens Included for Increased Working Distance. Heavy Duty Double Ball Bearing Base Included. Compatible with all Micro-Lite® Illuminators. ESD Safe.