发明名称 Modified gauss type photographic lens
摘要 A modified Gauss type photographic lens system comprises, in the order from the object side, a first lens component which is a positive meniscus lens having its convex surface facing the object side, a second lens component which is a positive meniscus lens having its convex surface facing the object side, a third lens component which is a negative meniscus lens having its convex surface facing the object side, a fourth lens component which is a negative meniscus lens having its concave surface facing the object side, a fifth lens component which is a positive meniscus lens cemented to the fourth lens component and havings its convex surface facing the image side, and a sixth lens component which is a biconvex lens having its more curved surface facing the image side, the lens system satisfying certain conditions peculiar to the invention.
申请公布号 US4139265(A) 申请公布日期 1979.02.13
申请号 US19770757144 申请日期 1977.01.06
申请人 NIPPON KOGAKU K. K. 发明人 MATSUI, SEI
分类号 G02B9/34;G02B9/60;G02B11/32;G02B13/00;(IPC1-7):G02B9/60 主分类号 G02B9/34
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