Some of the advantages of lens stereoscopes are compactness, simplicity and ready portability.
透镜式立体镜的一些优点是坚固、简单、轻便。
Lens stereoscopes are practical for field use or for observing magnified det ails.
透镜式立体镜适合于野外使用或者观察放大的细部。
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
a concave lens [mirror]
凹透镜 [凹面镜]
Optimum Design of Lenticular Lens for Auto-Stereoscopic Display
自由立体显示用柱面透镜光栅的优化设计
partially transmitting mirror splitter
局部透光镜式分离器
symmetrical (achromat)lens
对称式(消色差)透镜
large convex lens produces image that is viewed through the eyepiece.
通过目镜观察物体图像的大的凸透镜。
meniscus astrograph
弯月形透镜天体摄影仪
meniscus (shaped) lens
凹凸透镜，弯月形透镜
aplanat [aplanatic] lens
消球差透镜，齐明透镜
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
Any of the lenses, prisms, or mirrors of an optical instrument.
光学镜光学仪器的透镜、棱镜或平面镜
transmitted-light microscope with camera and polarizer
装有照相机和偏振镜的透射式光学显微镜
raster stereoscope
放映三维图象立体镜
zoom stereomicroscope
快速变焦距立体显微镜
extra-wide field stereo-microscope
超宽视场立体显微镜
Research on Free Three-dimensional Display System Based on DMD Projection Technology and Cylindrical Lens
基于DMD投影技术及柱状透镜的自由立体显示系统的研究