specification :

Eyepiece	Wide field WF10X(Φ22mm)
	Dividing eyepiece (field number: Φ22mm)    0.10mm/Div.
Objective	Strain-free plan achromatic objective (no cover glass)
	PL L5X/0.12 (Work distance) ：26.1 mm
	PL L10X/0.25 (Work distance) ：20.2 mm
	PL L40X/0.60£¨spring£© (Work distance) ：3.98 mm
	PL L60X/0.75£¨spring£© (Work distance) ：2.03 mm
Reflected illuminating system	6V30W halogen, brightness enable control.
	Polarizer can be rotated 360°.
	Analyzer can be rotatable 360° with scale and minimum vernier
	Integrated field and aperture diaphragm.
Nosepiece	Quadruple (the center of nosepiece is adjustable)
Intermediate attachment	Puller type bertrand lens
Compensator	λ, λ/4 and quarts wedge compensator.
Eyepiece tube	Trinocular is inclined 30˚ and enable to shoot in 100% light flux.
Focus system	Coaxial coarse/fine focus with tension adjustable and up stop device, minimum division of fine focusing: 2μm.