Technical Specifications Model B-382PL-ALC Head Binocular 360°rotating 30° inclined Eyepieces Wide Field 10X/20 mm Objectives E-PLAN 4x, 10x, 40x, 100x (oil) Nosepiece Quintuple nosepiece, reversed Stage Double layer mechanical sliding stage, 160x140mm, moving range 78x54mm Focusing Coaxial coarse and fine focusing with limit stop Condenser Abbe condenser, sliding-in, N.A. 1.25 with centering system Illuminator X-LED3, with Automatic Light Control