| 单词 | 光学系统 |
| 释义 | 〔flare〕An unwanted reflection within an optical system or the resultant fogging of the image.反射，模糊景象：光学系统内一种多余的反射或由此而产生的物象模糊〔diaphragm〕A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.光圈：具有固定或可变孔的圆盘，用来限制穿过透镜或光学系统的光量〔catadioptric〕Of or relating to an optical system that uses both reflective and refractive optical devices.反射折射的：同时使用反射与折射装置的光学系统的或与其相关的〔astigmatism〕A refractive defect of a lens or other optical system that prevents light rays from converging at a single point, resulting in a blurred or imperfect image.散光：有折射缺陷的透镜或其它光学系统，阻碍光线汇聚于一个焦点，形成一个模糊或不完全的图象〔focus〕A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system:焦点：几条光线或其他射线相交的一点，或在一个光学系统中经折射或反射后呈发散状的光线的出发点：〔infinity〕A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel.（聚焦区）无限远：与光学系统（如照像镜头）有关的一个范围，表示距离是如此之远，以至于从在这一距离的物体上反射回来的光可以视为平行光线〔focus〕An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear:对焦仪器：为使其图象明显或清晰用于调节光学系统焦距的仪器：〔ghost〕A displaced image in a photograph caused by the optical system of the camera.重影：由照相机的光学系统引起而出现在照片上的重像或幻影〔aplanatic〕Of or relating to optical systems that correct for spherical aberration.等光程的，透镜消球差的：矫正球面像差的光学系统或与之有关的 |
| 随便看 |
英汉汉英双解词典收录301015条英汉双解翻译词条，可根据汉字查询相应的英文词汇，基本涵盖了全部常用汉字的英文读音、翻译及用法，是英语学习及翻译工作的有利工具。