Afocal zoom system

Details Afocal zoom system Afocal zoom system

2007-02-13

2007-02-13

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S380000, C359S686000, C359S744000

Reexamination Certificate

active

11015793

ABSTRACT:
The invention is directed to an afocal zoom system, particularly for use in microscopes, comprising at least four optical assemblies, two of which assemblies are movable relative to one another and to the rest of the assemblies for the purpose of changing the magnification. It is the object of the invention to develop an afocal zoom system which enables a relatively small structural size for a microscope also in combination with a suitable drive mechanism. This object is met by an afocal zoom system of the type described above in which every adjustable magnification can be achieved by a displacing movement of the two movable optical assemblies in the same direction.

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patent: 6392816 (2002-05-01), Hamano
patent: 198 37 135 (1999-04-01), None
patent: 202 07 780 (2002-08-01), None

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