Loupe

Details Loupe Loupe

1976-09-17

1978-06-13

Clark, Conrad J.

350189, 350232, G02B 910, G02B 2500

Patent

active

040945855

ABSTRACT:
A magnifier or loupe of high magnifying power comprising a positive singlet followed by a cemented doublet in the overall form of a meniscus having bi-convex and bi-concave elements. The cemented surfaces, the outer surfaces of the doublet, or both may be made aspheric.

REFERENCES:
patent: 2479792 (1949-08-01), Tackaberry
patent: 3158677 (1964-11-01), Lacomme

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