Photographic lens system

Details Photographic lens system Photographic lens system

1977-03-22

1978-12-26

Sacher, Paul A.

350176, G02B 960

Patent

active

041313356

ABSTRACT:
A photographic lens system of modified Gauss type having five-component six-element lens configuration for which the field angle is 41.degree. to 53.degree., aperture ratio is F1:2, overall length is short, back focal length is long and aberrations are corrected favorably.

REFERENCES:
patent: 2683396 (1954-07-01), Klemt et al.
patent: 3795437 (1974-03-01), Sugiyama
patent: 3817603 (1974-06-01), Takahashi

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