Bright wide-angle lens for compact color video cameras

Details Bright wide-angle lens for compact color video cameras Bright wide-angle lens for compact color video cameras

1981-01-08

1983-12-20

Corbin, John K.

G02B 964, G02B 1304

Patent

active

044213905

ABSTRACT:
A wide-angle lens system for compact color video cameras composed of nine lenses grouped in eight lens components. A first lens component includes a negative meniscus lens convex toward the object, a second lens component includes a positive meniscus lens concave toward the object, a third lens component includes a negative meniscus lens convex toward the object, a fourth lens component includes a positive cemented lens composed of a positive lens and a negative lens, a fifth lens component includes a positive lens, a sixth lens component includes a negative lens, a seventh lens component includes a positive lens and an eighth lens component includes a positive lens.

REFERENCES:
patent: 3736049 (1973-05-01), Shimizu
patent: 4158482 (1979-06-01), Doi et al.

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