The experiment can deepen students comprehensive understanding of the cardinal point and cardinal plane of lens group, and the design idea of zoom lens.
透镜组的基点、基面在几何光学中占有重要的地位 ,并在现代摄影、摄象技术中得到了广泛应用。
The sensitivity of the straightness measurement can be improved by a factor of 8 compared with the movement of the detector itself via using multi-reflection and combination lenses.
利用测量光线的多次反射和组合透镜的方法使测量系统的分辨率相对于用探测器直接探测分辨率提高了8倍。
The conditions of the focus of thin compound lens located at different side of compound lens;
薄透镜组的焦点位于组合透镜两侧时应满足的条件
In this paper, the calculating formulas of Newton s ring with the various cooperation of lensare derived.
本文对６种不同四、凸透镜组合的牛顿环计算公式进行了推导，通过归纳分析并采用适当的符号法则，得到了各种情况下牛顿环公式的一般形式。
The lens or lens group closest to the eye in an optical instrument;an ocular.
目镜光学仪器中靠近眼睛的透镜或透镜组；窥孔
A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组
Objectives which consist only of one lens can be used for visual and photographic observations.
由单透镜组成的物镜可作目视和照相观测用。
Discussion on the Basic Point and Basic Face of Compound Lens;
薄透镜组合的基点与基面位置的讨论
This setup, known as a conoscope, is shown in Figure 14.2 and consists of two stress-free plano-convex lenses A and B.
此装置称为锥光镜，如图14．2所示，它由A和B两个无应力平凸透镜组成。
Study on Visual Recognition System with Fovea Lens
具有中心窝透镜组的视觉识别系统研究
METHOD OF EMTP DEHYDRATION DURING THE SPECIMEN PREPARATION FOR TRANSMISSION ELECTRON MICROSCOPE
透射电镜EMTP组织处理仪制样方法
Thermal lens effect in end-and-side pumped DPL
端侧面组合抽运DPL热透镜效应研究
Objective: An objective is a system of one or more pieces of lenses grouped together. It refracts light and can form an image. Alternatively known as Lens.
镜头:镜头是一片或多片透镜的组合。它折射光线而形成影像。
a concave lens [mirror]
凹透镜 [凹面镜]
meniscus (shaped) lens
凹凸透镜，弯月形透镜
aplanat [aplanatic] lens
消球差透镜，齐明透镜
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
Abstract: The microstructure of forged white cast iron was observed and investigated by means of SEM and TEM.
文摘:借助扫描电镜、透射电镜观察和分析了白口铸铁的微观组织。
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
Analysis and Application of Lens' Combination for Beam Reshaping of LD
组合透镜对半导体激光器光束整形分析及应用
Fabrication of Regular Polyvinyl Alcohol Microlens Arrays by Solvent Evaporation Self-organization
溶剂散逸自组装制备高分子有序微透镜阵列
Hourglass-shaped X-ray compound refractive lens made by back-mask exposure technology
背面曝光技术制作沙漏状X射线组合折射透镜