XJL-302/302BD正置金相显微镜适用于对不透明物体的显微观察。采用优良的无限远光学系统与模块化功能设计理念，可以方便升级系统，实现偏光观察、暗场观察等功能，紧凑稳定的高刚性主体，充分体现了显微操作的防振要求。符合人机工程学要求的理想设计，使操作更方便舒适，空间更广阔。适用于金相组织及表面形态的显微观察，是金属学、矿物学、精密工程学研究的理想仪器。
XJL-302/302BD upright metallurgical microscope is suitable to observe surfaces of opaque object. It 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.
技术规格 Specification | |||||
目镜Eyepiece | 大视野 WF10X(视场数Φ22mm) Wide field WF10X(field number:Φ22mm) | ||||
无限远平场消色差物镜Infinity plan achromatic objective | XJL-302 （配明场物镜） （Equipped with bright field objectives） | PL L5X/0.12 工作距离(Work distance)：26.1 mm | |||
PL L10X/0.25 工作距离(Work distance)：20.2 mm | |||||
PL L20X/0.40 工作距离(Work distance)：8.80 mm | |||||
PL L50X/0.70 工作距离(Work distance)：3.68 mm | |||||
PL L80X/0.80 工作距离(Work distance)：1.25 mm | |||||
XJL-302BD （配明/暗场物镜） （Equipped with bright & dark field objectives） | PL L5X/0.12 BD 工作距离(Work distance)：9.70 mm | ||||
PL L10X/0.25 BD 工作距离(Work distance)：9.30 mm | |||||
PL L20X/0.40 BD 工作距离(Work distance)：7.23mm | |||||
PL L50X/0.70 BD 工作距离(Work distance)：2.50 mm | |||||
PL L80X/0.80 BD 工作距离(Work distance)：0.80 mm | |||||
目镜筒Eyepieces tube | 三目镜30˚倾斜, 可99%通光摄影。Trinocular inclined 30˚, can be shot in 99% light flux. | ||||
落射照明系统 Epi- illumination system | XJL-302 | 6V30W卤素灯，亮度可调 6V30W halogen and brightness enable control | |||
XJL-302BD | 12V50W卤素灯，亮度可调 12V50W halogen and brightness enable control | ||||
内置视场光栏、孔径光栏、(黄、蓝、绿、磨砂玻璃)滤色片转换装置，推拉式检偏器与起偏器 Integrated field diaphragm, aperture diaphragm ａnd (Y,B,G, ground glass) switching device. Push-pull type analyzer and polarizer. | |||||
调焦机构Focus system | 粗微动同轴调焦,带锁紧和限位装置,微动格值:0.7μm。 Coaxial coarse/fine focus system, with tension adjustable and limit stopper, minimum division of fine focusing: 0.7μm. | ||||
转换器 Nosepiece | 五孔(内向式滚珠内定位) Quintuple (Backward ball bearing inner locating) | ||||
载物台 Stage | 机械式载物台，外形尺寸：280mmX270mm，移动范围：横向（X）204mm，纵向（Y）204mm Mechanical stage，overall size：280mmX270mm，moving range: 204mmX204mm | ||||
选配件 Optional Accessory | 目镜Eyepiece | 分划目镜10X（Φ22mm）Dividing eyepiece(Φ22mm) | |||
物镜 Objective | XJL-302 | 40X、60X、100X(干式Dry)) 明场物镜Bright field objective | |||
XJL-302BD | 40X、60X、100X明/暗场物镜 Bright & dark field objective | ||||
载物台 Stage | 外形尺寸250mmX230mm, 移动范围:154mmX154mm。Overall size: 250mmX230mm, moving range:154mmX154mm | ||||
CCD接头CCD adapter | 0.4X、0.5X、1X、0.5X带分划尺（With dividing） | ||||
摄像仪Camera | USB输出：130/200/300万像素USB output: 1.3M/2.0M/3.0M pixel VIDEO输出：380/520 电视线VIDEO output: 380/520 TV Line | ||||
数码相机接头 Digital camera adapter | CANON(EF) NIKON( F) | ||||
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