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Compact lens system having a long back focal length and a large relative aperture
Compact lens system having a long back focal length and a large relative aperture
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机译:具有长后焦距和大相对光圈的紧凑型镜头系统
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摘要
A compact lens system comprising six components of seven lenses, having a long back focal length and a large relative aperture, favorably corrected in its aberrations, especially coma, and meeting the conditions enumerated below: ##EQU1##
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