Condenser lens system for use in a microscope

Details Condenser lens system for use in a microscope Condenser lens system for use in a microscope

1994-01-07

1997-08-12

Epps, Georgia Y.

Optical: systems and elements

Lens

Microscope objective

359794, G02B 2102, G02B 906

Patent

active

056571666

ABSTRACT:
A condenser lens system to collect light from a light source to illuminate a sample, which comprises in a named order from the light source side, a front group of positive refracting power having at least one lens and a rear group of positive refracting power having at least a positive lens for liquid immersion located closest to the sample, the positive lens for liquid immersion having a flat surface on the sample side.

REFERENCES:
patent: 2305760 (1942-12-01), Bernhardt
patent: 2764061 (1956-09-01), Kinder et al.
patent: 3202049 (1965-08-01), Bond
patent: 3297393 (1967-01-01), Ziegler
patent: 3481665 (1969-12-01), Rosenberger
patent: 3659924 (1972-05-01), Shoemaker
patent: 4316653 (1982-02-01), Shimizu
patent: 5004307 (1991-04-01), Kino et al.

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