ProZoom® 6.5 Binocular Microscope featuring Super-Wide (28mm) 10X Eyepieces. Standard Magnification Range of 5 – 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