Large aperture photographic lens system

Details Large aperture photographic lens system Large aperture photographic lens system

1975-02-13

1976-02-17

Smith, Alfred E.

350176, G02B 962

Patent

active

039388840

ABSTRACT:
A large aperture photographic lens system comprising six components of seven lenses wherein flare due to coma at intermediate field angles has been eliminated by so adapting as to satisfy the following conditions:

REFERENCES:
patent: 3012476 (1961-12-01), Zimmermann et al.
patent: 3451745 (1969-06-01), Kazamaki
patent: 3617111 (1971-11-01), Kawazu

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