L32BD正置明暗视场透反射金相显微镜是一种多用途工业检验用光学仪器，配置明/暗场物镜、大视野目镜与偏光观察装置，透反射照明采用“柯勒”照明系统，视场清晰。可用于半导体硅晶片、LCD基板、电路板、固体粉未及其它各种透明或不透明工业试样的检验，是生物学、金属学、矿物学、精密工程学、电子工程学等研究的理想仪器。
标准配置 Standard Configuration
| 型号Model | L3230BD |
| 目镜Eyepiece | 大视野WF10X(视场数Φ22mm) Wide field WF10X(field number:Φ22mm) |
| 物镜 objective | 无限远长工作距离平场消色差明/暗视场物镜（无盖玻片) Infinity plan achromatic bright or dark field with long work distance. (no cover glass) |
| PL L5X/0.12 B.D 工作距离(Work distance)：9.70mm | |
| PL L10X/0.25 B.D 工作距离(Work distance)：3.73mm | |
| PL L20X/0.40 B.D 工作距离(Work distance)：7.23mm | |
| PL L40X/0.60 B.D 工作距离(Work distance)：3.04mm | |
| 目镜筒 Eyepieces tube | 三目镜,倾斜30˚,(内置检偏振片,可进行切换)Trinocular, Inclination of 30˚, (Integrated analyzer and switching freely) |
| 落射照明系统 Reflected illumination unit | 12V 50W卤素灯,亮度可调 12V 50W halogen lamp, adjustable brightness |
| 内置视场光栏、孔径光栏、(黄、蓝、绿、磨砂玻璃)滤色片转换装置，推拉式起偏振器 Integrated field, aperture diaphragm and (Y,B,G, ground glass) switching device. Push-pull type polarizer. | |
| 调焦机构 Focus system | 粗微动同轴调焦, 微动格值:2μm,带锁紧和限位装置 Coaxial coarse/fine focus system, with tension adjustable and limit stopper, minimum division of fine focusing: 2μm. |
| 转换器 Nosepiece | 四孔(内向式滚珠内定位) Quadruple(Backward ball bearing inner locating) |
| 载物台Stage | 双层机械移动式(尺寸:210mmX140mm,移动范围:75mmX50mm) Double layer mechanical (Size:210mmX140mm,movingrange:75mmX50mm) |
| 透射照明系统 Transmitted illumination unit | 阿贝聚光镜 NA.1.25 可上下升降Abbe condenser NA.1.25 Rack & pinion adjustable |
| 蓝滤色片和磨砂玻璃 Blue filter andGround glass | |
| 集光器，卤素灯照明适用(内置视场光栏) Collector for illumination with halogen lamp (With field diaphragm ) | |
| 12V 30W 卤素灯,亮度可调 12V 30W halogen lamp, adjustable brightness |
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