bjective：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（1 Pair），WF15X，WF20X（Optional）；
EyepieceXObjective=Total Magnification；
Articulated Free Binocular Head，Interpupillary Distance：55-75mm，45º Inclined，with a diopter adaptor on the left eyepiece tube ；
Working distance：100mm；
Base：210X140X50mm，with spring clips；
Stage：Ø95mm ，one piece of Frosted Glass Stage（for bottom illumination），one piece of plastic blach-white plate （for top illumination）；
Rack and Pinion Focusing，with hand wheels for adjusting focusing torque.
Focusing Range:40mm；
Standing method：Pole，pole height:205mm，the moving range of head holder：80mm;
Top and bottom extra light LED lamp，light adjustable separately；
Whole size：210X140X360mm；
Net Weight/Set：2.5kg；
Package：4 Sets/Carton67X40X41cm；
Gross Weight/Carton：12kg
