BINOCULAR, TRINOCULAR & MONOCULAR MODELS- the 3000, 3001 and 3020 series Priced From $925.00 and upThis item can not be ordered online. Please call or email with any queries.HEAD: Precise Binocular, Trinocular and Monocular anti-glare coated prism optical system with dual diopter adjustments and interpupillary distance settings. Inclined 45 and rotates 360.STAND: Sturdy and stable, features coaxial low positioned coarse and fine focusing with adjustable tension control for maximum comfort and convenience for personal user preference. Automatic focus stop for rapid image focusing.NOSEPIECE: Ball-bearing, dustproof, quadruple revolving nosepiece with positive click-stops for parcentration.STAGE: Double plate, ball bearing, adjustable dovetail, built-in graduated mechanical stage (150 x 138 mm). Low coaxial controls, accommodating slides 75 x 50 mm (3 x 2") with easily removable slide holder.SUBSTAGE: Precentered two lens, Abbe condenser N.A. 1.25 with iris diaphragm and filter holder, adjustable by rack and pinion control.BASE ILLUMINATOR: The die-cast alloy base provides the ruggedness and stability necessary for years of heavy use. The improved built-in solid state illuminator circuit with 3-wire line cord is completely variable with an "on-off" switch and contains a double aspheric field lens system with filter to provide the proper brightness required for all contrast techniques. Trap door makes bulb replacement fast and easy.OPTICS: All optical surfaces are coated for maximum glare-free resolution and contrast.EYEPIECES: High eyepoint, widefield 10x (18 mm field of view).OBJECTIVES: DIN standard flatfield achromats, parfocal, parcenter and color-coded. 4x (N.A. 0.10) 10x (N.A. 0.25) *40x (N.A. 0.65) *100x (N.A. 1.25) Oil Immersion *Retractable Spring MountFINISH: Lustrous oyster-white, acid and scratch resistant.This item can not be ordered online. Please call or email with any queries.