Vision Scientific Binocular Stereo Microscope, 2x, 3x, 4x Objectives, Pair of 10x and 20x WF Eyepieces, 20X - 80X Magnification, LED Illumination, Post-Mounted Stand, Cordless Rechargeable Battery

Post mounted head rotates 180° and is adjustable for various working distance Left eyepiece diopter focusing adjustment; Eye shields for use on eyepieces too reduce ambient light 3 way, built-in illumination system allows transmitted (bottom), incident (top) or dual lighting Slip-clutch focusing system protects against over-focusing with tension adjustment Objectives are parfocaled, parcentered andachromatic; Magnification changed by rotating objective turret 90° to positive click stops