内调焦摄远镜头的光学设计  

Optical design of telephoto lens with inner focusing

作　　者：李晓艳[1] 钟伯亮[1] 

机构地区：[1]杭州照相机械研究所,浙江杭州310013

出　　处：《光学技术》2002年第4期299-301,共3页Optical Technique

摘　　要：提出了一种内调焦摄远镜头的光学设计方法。分析了其二级光谱特性 ,通过合理的选择玻璃材料校正了二级光谱色差。在光学结构上采用远距型结构以达到较小的远摄比。采用内调焦方式缩小了外形尺寸 ,简化了机械结构。通过实例说明了设计结果。内调焦摄远镜头的设计结果为 :焦距为 50 0mm ,相对孔径为 1∶4 .5 ,视场角为 5°,最近摄影距离为 5m ,调焦方式为内调焦 ,成像质量高于国家标准GB991 7 88所规定的J0The optical design of telephoto lens (focal length =500 mm, relative aperture=1/4.5) with inner focusing was introduced. The secondary spectrum response was analyzed, and the secondary spectrum aberration can be corrected by selecting proper glass materials. It takes telephoto construction to achieve less telephoto ratio. Inner focusing can reduce the structure dimension and simplify mechanical configuration. An example was given to illustrate the result of the design.

关 键 词：光学设计 摄远镜头 内调焦 二级光谱 摄影镜头 

分 类 号：TB851.1[一般工业技术—摄影技术]