Magnification: 40x ~ 1600x Eyepiece: WF10x WF16x Objective: 4x 10x 40xs 100x Head tube: Binocular tube 45 ° inclined 360 ° rotating Lighting System: 6V/20W halogen Working distance: 15mm Coarse movement range: 30mm Micro Distance: 30mm Working area: 140mm × 140mm Condenser: Mobile-foot, 1.25 Abbe condenser, variable optical intercept