1,092,003. Infrared telephoto objective. R. RODENSTOCK [trading as OPTISCHE WERKE G. RODENSTOCK]. May 16, 1966 [May 22, 1965], No.21590/66. Heading G2J. The objective comprises a converging silicon meniscus A and diverging germanium meniscus B which together form a converging component spaced a distance I 3 , which is between 25 and 35 per cent of the focal length of the objective, in front of the diverging component, which is formed from a single germanium lens C, the elements B, C, having concave surfaces facing one another. A non-refracting silicon meniscus D may be placed in front as a protection. Optical data are given for the example shown.
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机译：1,092,003。红外远摄物镜。 R. RODENSTOCK [作为OPTISCHE WERKE G. RODENSTOCK交易]。 1966年5月16日[1965年5月22日]，编号21590/66。标题G2J。物镜包括一个会聚的硅弯月面A和一个会聚的锗弯月面B，它们共同形成一个会聚的组件，该组件的距离为I 3，距离I 3在物镜焦距的25％到35％之间，位于发散的组件的前面，即由单个锗透镜C形成的元件B，C具有彼此面对的凹面。非折射硅弯液面D可以放置在前面作为保护。对于所示示例给出了光学数据。
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