Afocal zoom system

Details Afocal zoom system Afocal zoom system

1998-09-25

1999-11-23

Epps, Georgia

Optical: systems and elements

Lens

Microscope objective

359376, 359377, 359663, 359677, G02B 2102, G02B 2122, G02B 1515

Patent

active

059910909

ABSTRACT:
The invention is directed to an afocal zoom system for a surgical microscope. The zoom system has an even number of members and is symmetrically configured.

REFERENCES:
patent: 2901943 (1959-09-01), Tackaberry
patent: 3127466 (1964-03-01), Walters
patent: 4217025 (1980-08-01), Takenaka

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