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,WF15X(Optional)
Total Magnification:10X-20X,or 10X-30X,or 10X-40X,or 20X-30X,or 20X-40X,or 30X-40X
Articulated Free Binocular Head,Interpupillary Distance:55-75mm,45º Inclined;
Illumination:Top/ Bottom Light:12V/10W Halogen Lamp,with Ø95mm Frosted Glass Stage Plate
Rack and Pinion Coarse Focusing Mechanism With Slip Clutch and Tension Adjustment
Net Weight/Set:2.4kg;
Package:4 Sets/Carton61X35X36cm;
Gross Weight/Carton:11kg