Patent
1985-11-19
1987-08-18
Corbin, John K.
G02B 2106
Patent
active
046873040
ABSTRACT:
An illumination apparatus having two separate optical systems each of which is provided with its own light source for the bright-field and the dark-field illumination beam path and which can be optimized independently on one another to meet the different requirements of both types of illumination. The two optical systems are secured to the microscope such that their axes meet at, or in the vicinity of, the bright-field reflector via which the illumination is directed into the observation beam path.
REFERENCES:
patent: 2146506 (1939-02-01), Maisch
patent: 4232937 (1980-11-01), Swaninathan et al.
patent: 4505555 (1985-03-01), Piller et al.
patent: 4585315 (1986-04-01), Sincerbox et al.
Piller Horst
Schilling Albert
Carl-Zeiss-Stiftung
Corbin John K.
Lemmo Vincent J.
Ottesen Walter
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