Patent · US Expired

Condenser lens system for microscopes

US4597645A · kind A · utility

0Cited by

5References

1Claims

0Family size

Inventors

Klaus Freiberg · Apolda, DE
Hans Muller

Key dates

Filing date	Mar 24, 1982
Grant date	Jul 1, 1986
Priority date	—
Expiry date	Mar 24, 2002

Classification

Technology area (CPC G)Physics
CPC primaryG02B21/08
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a condenser lens system for microscopes for uniformly illuminating an object field of a microscope objective. The condenser lens system is constituted of at least two individual condenser lenses in a common lens mount, said two lenses having an optical axis each which intersect in a common interspace included by the individual lens members in spaced relation. The point of intersection of the condenser lens system is the point of rotating the entire system to insert the individual condenser lenses required into an illumination beam.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.