Subassembly 
Viewing head : 30 compensation free binocular head ; sliding binocular or trinocular head
Eyepiece : wide field eyepiece WF10X/18
Nosepiece : quadruple
Objective : infinitive plan achromatic objective 4X , 10X ,40X , 100X ;  achromatic objectives 4X , 10X , 40X , 100X
Stage : double layers mechanical stage , size 140x135mm
Focusing : coaxial coarse & fine and adjustment range fine focuing scale valve 0.002mm
Illumination : critical illumination with aperture lris diaphragm and field lris diaphragm , epi-kohler for choice 
Condenser : NA 1.25 abbe condenser with lris diaphragm , filter , rack and blue filter 
Fluorescence : B.G wave band U.V wave for choice
Power : epi-illumination 220V(110V) 100W mercury lamp , pointer or digital display , critical illumination , 6V 20W halogen lamp or Epi-kohler lamp