Objective:Grouped From Any Two Objectives of 1X,2X,3X and 4X,Working Distance:1X-55mm,2X-81mm,3X-61mm,4X-57mm
Wide Field Plane-Scope Eyepiece:WF10X,(Optional: WF15X ,WF20X)
Total Magnification:10X-20X,or 10X-30X,or 10X-40X,or or 20X-40X
Articulated Free Binocular Head,Interpupillary Distance:55-75mm,45º Inclined;
Illumination:Top/ Bottom Halogen Light, (LED Lamp option)
WithØ95mm Frosted Glass Stage Plate