Infinite Optical System，Seidentopf Trinocular Head，Inclined
at *5º ，**0ºRotatable ，Wide Field Eyepiece WF*0X/*2mm，Infinite High
Contrast Chromatic-free Full Plan Objectives 4X *0X *0X
**0X，Quadruple Nosepiece，Abbe Condenser NA1.*5 with
Diaphragm，Filter， Coaxial Coarse and Fine Adjustment, Fine Division
0.**1mm, Coarse Stroke*7.7mm/Rotation, Fine Stroke 0.1mm/Rotation,
Moving range *4mm ，Double Layer Mechanical Stage **6x**0mm ,
Graphite Surface, Moving Range*5mmx*5mm ，External
Illumination,3W/LEDAdjustment
