Camera lens system with long back focal distance and large apert

Details Camera lens system with long back focal distance and large apert Camera lens system with long back focal distance and large apert

1981-12-08

1984-04-17

Corbin, John K.

G02B 962

Patent

active

044430701

ABSTRACT:
A camera lens system is disclosed having a long back focal distance and a large aperture ratio. This enables the camera system to sufficiently correct for various aberrations including the spherical aberration of colors of the camera lens system.

REFERENCES:
patent: 4110007 (1978-08-01), Ikada
patent: 4182550 (1980-01-01), Yamaguchi

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