Zoom lens system

Details Zoom lens system Zoom lens system

1984-01-04

1985-06-18

Corbin, John K.

350463, G02B 964, G02B 1514

Patent

active

045238138

ABSTRACT:
In a zoom lens system comprising a front lens group having negative refractive power and a rear lens group having positive refractive power and designed in such a manner that the airspace between said front lens group and rear lens group is varied for zooming, a zoom lens system comprising a rear lens group consisting of a positive lens component, a positive meniscus lens component, a positive meniscus cemented doublet, a negative lens component and a positive lens component, and having a large relative aperture and favorably corrected aberrations.

REFERENCES:
patent: 4153338 (1979-05-01), Fujii
patent: 4367927 (1983-01-01), Fujii

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