变焦距物镜,zoom lens
1)zoom lens变焦距物镜
1.Theory of equivalent magnificationzoom lenswith all lens elements movable;等倍变焦全动型变焦距物镜理论分析
2.Design of large aperture refractive-reflectivezoom lens;大口径折反射式变焦距物镜的设计
3.The computation method of the Gaussian optics ofzoom lens with many elements of magnifying lens and many elements of compensating lens is given by using optimization calculating method.设定多个变倍组元和多个补偿组元并应用最优化计算方法，给出了最新型变焦距物镜多组元全动型高斯光学参数的计算方法，它概括了几乎所有机械补偿法的变焦方
英文短句/例句
1.best image plane of zoom lens变焦距物镜的最佳像面
2.image plane displacement of zoom lens变焦距物镜像面位移
3.variable focal length (cylindrical) lens变焦(距)(圆柱)透镜
4.autofocus zoom lens自动聚焦变焦距镜头
5.manual zoom lens(镜头)手控可变焦距透镜
6.F"J6Rf%H"P*Qo?D~z;RC F[v快速变焦距手术显微镜
7.rear-controlled zoom lens背面调整变焦距透镜
8.auto iris zoom lens自动光圈变焦距镜头
9.zoom stereomicroscope快速变焦距立体显微镜
10.macro teleconverter增距式微距附加镜﹝使标准镜头变成微距而保留最近封焦距离﹞
11.universal zoom operation microscope通用型变焦距手术显微镜
12.The focal length differs with the thickness of the lens焦距长底随透镜的厚度而变化。
13.long focus lens长焦距（望远）镜头
14.Eyeglasses having trifocal lenses.有三焦距镜片的眼镜
15.They have a focal length, and where an image is formed depends on a combination of the focal length and the distance between the object and the lens.透镜有焦距，而影像形成的位置，取决于焦距及物体与透镜距离的组合。
16.Lifting up her camera, she took out a zoom lens and put it on.她举起照相机，取出一个变焦距镜头换上。
17.Study on Liquid Lens Technology and Its Application in Micro Zoom Optical System液体透镜技术及其在微型变焦距系统中的应用
18.Focal length: The distance between the centre of a lens and its principal focus.焦距:镜头中心与其主焦点的距离。
相关短句/例句
variable focal length objective可变焦距物镜
3)zoomar lens可变焦距透镜，可变焦距物物镜
4)objective with variable focal length可变焦距物镜;变焦距物镜
5)focal distance of objective物镜焦距
6)zoomar["zu:m?]可变焦距物镜系统
延伸阅读
变焦距镜头能在一定范围内改变焦距的摄影镜头。在照相机、电影摄影机或摄像机位置不变时，也能摄下被摄体由远到近或由近到远的画面。
