Transmitted illumination device for microscopes

Details Transmitted illumination device for microscopes Transmitted illumination device for microscopes

1975-10-10

1977-12-20

Rubin, David H.

G02B 2106

Patent

active

040637972

ABSTRACT:
A transmitted illumination device for microscopes which can furnish brilliance for viewing, illuminate objects with uniform light and is compact in construction and easy in handling. The device consists of a collector lens, a detachably mounted additional lens system, a field stop, a rear lens system and a condenser lens, arranged in succession from a light source toward a test piece and optically aligned with each other. The additional lens system consists of front and rear components. The front component is composed of a convex lens and the rear component is composed of a convex lens followed by another convex lens. The rear lens system consists of front and rear components each composed of a convex lens.

REFERENCES:
patent: 3137761 (1964-06-01), Conradi et al.
patent: 3799645 (1974-03-01), Stankewitz

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