Model: JL-20
JL-20BD
Accessories: Standard / Optional
JL-20BD Inverted metallurgical microscope is equipped excellent UIS optical system and modularization function design so that update system expediently and achieved polarization, dark fiel 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 surfacce morphology. It is suitable for research in metallography, mineralogy, precidion engineering,etc.
l Large mechanical stage with stain resistant finish.
l Adjustable interpupillary distance : 53～75mm.
l Inverted metallurgical microscope equipped with bright and dark field objectives.
Technical specifications | |||||
Eyepiece | Wide field WF10X (field number Φ22mm) | ||||
Infinity plan achromatic objective | JL-20 （Equipped with bright field objectives） | PL L10X/0.25 working distance：20.2 mm | |||
PL L20X/0.40 working distance：8.80 mm | |||||
PL L50X/0.70 working distance：3.68 mm | |||||
PL L100X/0.85（Dry）working distance：0.40 mm | |||||
JL-20BD （Equipped with bright & dark field objectives） | PL L5X/0.12 BD working distance：9.70 mm | ||||
PL L10X/0.25 BD working distance：9.30 mm | |||||
PL L20X/0.40 BD working distance：7.23mm | |||||
PL L50X/0.70 BD working distance：2.50 mm | |||||
Eyepiece tube | 45˚Inclination, interpupillary distance is 53~75mm | ||||
Focus system | Coaxial coarse/fine focus with tension adjustable and up stop, minimum division of fine focusing: 2μm. | ||||
Nosepiece | Quintuple(Backward ball bearing inner locating) | ||||
Stage | Mechanical stage，size:242mmX200mm | ||||
Rotundity and rotatable stage size：maximal measurement:Ф130mm，minimal clear aperture is less then Ф12mm | |||||
Illumination system | JL-20 | 6V30W halogen lamp，brightness adjustable | |||
JL-20BD | 12V50W halogen lamp，brightness adjustable | ||||
Integrated field diaphragm, aperture diaphragm and system polarizer | |||||
Equipped with frosted glass and yellow, green and blue filters | |||||
Optional Accessory | Eyepiece | Dividing eyepiece 10X（Φ22mm） | |||
Objective | JL-20 | 5X、40X、60X、80X、100X（Oil) Bright field objective | |||
JL-20BD | 40X、60X、80X、100X Bright & dark field objective | ||||
CCD adapter | 0.5X、1X | ||||
Camera | USB output：130/200/300MP/Mpixell VIDEO output：380/520 TV line | ||||
Digital camera adapter | CANON(EF) NIKON( F) | ||||