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L2020 reflected and transmitted metallurgical microscope is equipped with reflected and transmitted illuminator system, plan achromatic objectives with long working distance (no cover glass), wide field eyepieces and set polarizer device in trinocular. They can obtain clean image in the wide visual field, can be broadly applied in mine, colleges and scientific research department to observe internal configuration of material.


Features  
With plan achromatic objectives with long working distance (no cover glass) and wide-field eyepieces, can get clear pictures and wide view field.
Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2μm.
Utilize reflected &transmitted light mix illumination; you can descry the special effect in some object.
6V 20W Halogen lamp, adjustable control.
Trinocular, can switch to observe normally or to observe the Polarize, can send 100% of light to the binocular eyepieces or to the top port.

Standard configuration

Model	L2020A
Eyepiece	Wide field  WF10X(Φ18mm)
Objective	Plan achromatic objectives with long working distance (no cover glass) PL 5X/0.12
	Plan achromatic objectives with long working distance (no cover glass) PL L10X/0.25
	Plan achromatic objectives with long working distance (no cover glass) PL L40X/0.60
	Plan achromatic objectives with long working distance (no cover glass) PL L60X/0.75  (Spring)
Eyepieces tube	Trinocular, Inclination of 30˚, (Analyzer with field diaphragm to switch)
Vertical illumination unit	6V 20w, halogen lamp, adjustable control.
	Vertical illumination with field diaphragm, aperture diaphragm and polarizer,(R,B,G)filter and frosted filter
Focus system	Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2μm.
Nosepiece	Quadruple(Backward ball bearing inner locating)
Stage	Double layer mechanical (Size:160mmX140mm,movingrange:75mmX50mm)
Vertical illumination unit	Abbe condenser  NA.1.25  Rack & pinion adjustable
	(B,G)filter and Frosted filter
	Collector for halogen lamp
	6V 20w halogen lamp, adjustable control.

Optional accessories

Name	Sort/Technique parameter	NO.
Eyepiece	Wide field  WF16X(Φ11mm)	1051016
	Dividing  10X(Φ18mm)  0.1mm/Div	1121010
Objective	Plan achromatic objectives with long working distance (no cover glass) PL L 50X/0.70	2250150
	Plan achromatic objectives with long working distance (no cover glass) PL L 80X/0.80	2250180
	Plan achromatic objectives with long working distance (no cover glass) PL L 100X/0.85 (Spring)	2250111
	Plan achromatic objectives (no cover glass) PL 100X/1.25  (Spring, oil)	2240111
Filter	Yellow filter	115003
CCD adapter	0.4X	810001
	0.5X	810004
	1X	810002
	0.5X with dividing 0.1mm/Div	810003
Camera	DV-1 With USB & video output	800001
	DV-2 With USB output	800003
	DV-3 With video output	800005
Photo unit	2.5X/4X Change over photograph attachment with 10X viewing eyepiece	840001
	4X Focusing photograph attachment	840002
	MD Adapter	840003
	PK Adapter	840004
Digital camera adapter	CANON(A610,A620,A630,A640)	820001

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