objective lens
英 [əbˈdʒektɪv lenz]
美 [əbˈdʒektɪv lenz]
物镜
英英释义
noun
- the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
双语例句
- In the next generation of optical disk system, GaN laser and high numerical aperture ( NA) objective lens are two key components.
对于下一代光盘系统而言，GaN激光器和高数值孔径（NA）的物镜是关键组件。 - The design methodology of miniature linear zoom objective lens of far-focus is presented.
介绍远焦小型变焦距物镜的设计原理及方法。 - Adopted national standards micrometer scale calibration, it can get the actual numerical size after selecting the numerical scale that corresponding to objective lens in each test.
通过国家标准测微尺标定后，每次测试只须选择与物镜相对应的比例尺数值即可直接得到样品的实际大小数值。 - An image of the object is projected by the objective lens on to the photocathode of an image convert tube. Accuracy of Colorimetric Characterization and Effect of Black Point for CRT Monitor
物象通过物镜投影在变象管的光阴极上。阴极射线管显示器特性化精度及黑点的影响 - The geometric distortion is caused by using the ultra wide-angle objective lens which can ensure the image display system to generate 120 ° large field of view.
为了保证图像显示系统能够产生120°的大视场，在系统中使用了超广角耦合物镜，这样就不可避免地存在几何畸变。 - Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens.
带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。 - Using the achromatism characteristic of reflecting system, we has used the Schwarzschild structural to design the objective lens of laser micromanipulator.
利用反射系统无色差的特性，采用了Schwarzschild结构设计了激光显微操纵器物镜。 - Based on the third-order aberration theory, the pre-design parameters of the objective lens with aspheric surface were given.
基于三级像差理论，得出了采用非球面单透镜的平行光管的光学设计初始参数。 - There are two focal lengths for objective lens: 2m and 4m. They may be transfered one another.
物镜焦距有两种：2米和4米，可互相替换。 - An image of the object is projected by the objective lens on to the photocathode of an image convert tube. If the screen is so far away from the eyepiece that the camera can be placed between.
如果投影屏距目镜很远，照相机可放在两者之间。