Telephotographic lens system having short total length

Details Telephotographic lens system having short total length Telephotographic lens system having short total length

1976-07-14

1977-12-20

Clark, Conrad J.

G02B 1302

Patent

active

040638022

ABSTRACT:
A telephotographic lens system short in its total length comprising a first positive meniscus lens component, a second positive meniscus lens component, a third negative meniscus lens component and a fourth positive cemented lens component which are so adopted and arranged as to favorably correct aberrations such as spherical aberration and astigmatism.

REFERENCES:
patent: 3848972 (1974-11-01), Nakamura

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