Lens

Details Lens Lens

1974-04-12

1976-06-08

Corbin, John K.

350220, G02B 300, G02B 934

Patent

active

039618447

ABSTRACT:
A lens for a small film format still camera which comprises four lens elements disposed behind the aperture defining means, and includes a double convex convergent lens element, a second double concave divergent lens element, a third double convex convergent element, and a fourth concave-plano lens element.

REFERENCES:
patent: 3429997 (1969-02-01), Rosner et al.
patent: 3516735 (1970-06-01), Goodell

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