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XJL-20 Metallurgical Microscopes

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XJL-20/20BD Inverted Trinocular Metallurgical microscope is equipped excellent UIS optical system and modularization function design so that update system expediently and achieved polarization, dark field observation. Compact and steady main frame body is embodiment for the shock resistance. The ideal ergonomic design is adopted in this unit and has easier operation and wider space. This is ideal optical instrument for micro observation in metallographic structure and surface morphology. It is suitable for research in metallography, mineralogy, precision engineering, etc.

Specification
EyepieceWide field WF10X(field number:22mm)
ObjectiveXJL-20 Equipped with bright field objectivesPL L10X/0.25 (Work distance) - 20.2 mm
PL L20X/0.40 (Work distance) - 8.80 mm
PL L50X/0.70 (Work distance) - 3.68 mm
PL L100X/0.85£¨Dry£© (Work distance) - 0.40 mm
XJL-20BD Equipped with bright & dark field objectivesPL L5X/0.12 BD (Work distance) - 9.70 mm
PL L10X/0.25 BD (Work distance) - 9.30 mm
PL L20X/0.40 BD (Work distance) - 7.23mm
PL L50X/0.70 BD (Work distance) - 2.50 mm
Eyepiece tubeInclination angle is 45° and interpupillary distance is 53~75mm.
Focus systemCoaxial coarse/fine focus, with tension adjustable£¬minimum division of fine focusing is 2µm.
NosepieceQuintuple (Backward ball bearing inner locating)
StageMechanical stage overall size: 242mmX200mm and moving range : 30mmX30mm.
Rotundity and rotatable stage size: maximal measurement is ?130mm and minimal clear aperture is less then ?12mm.
Illumination system6V30W halogen and brightness enable control., use in XJL-20
12V50W halogen and brightness enable control., use in XJL-20BD
Integrated field diaphragm , aperture diaphragm and puller type polarizer.
Equipped with frosted glass and yellow ,green and blue filters

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