SMZ-171-BLED Greenough zoom optical system Binocular head, 45º inclined, 360º rotating Widefield adjustable eyepieces N-WF10X/23mm 6.7:1 Zoom ratio, WD=110mm Objective magnification range: 0.75X-5X SMZ-171 Pole type stand with large working area and head holder Coarse focusing system with tension adjustment 3W incident and transmitted LED illumination with independent intensity controls Transmitted light with tilting reflector (oblique illumination) Option to adapt flexible light guide Main supply 100V-240V (CE) Black/White and frosted glass stage plates and dust cover