The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 27, 2010

Filed:

Sep. 21, 2005
Applicants:

Michael Brehm, Goettingen, DE;

Rolf Wartmann, Waake, DE;

Inventors:

Michael Brehm, Goettingen, DE;

Rolf Wartmann, Waake, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 21/02 (2006.01); G02B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical system for arranging between a light source and a field diaphragm in an illumination beam path of a microscope comprises n imaging optical elements with focal lengths fand Abbe numbers ν(i=1, . . . , n). The following relationship is met for the optical system: where his one half of the bundle diameter of a bundle of light rays proceeding from a point of the light source at the entrance to the imaging optical element i.


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