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Title:
DEVICE FOR ILLUMINATING BRIGHTTDARK FIELD IN MICROSCOPE
Document Type and Number:
Japanese Patent JPS5553309
Kind Code:
A
Abstract:
An illumination system for bright field/dark field microscopy has a swinging deflector which is normally positioned on the optical axis when bright field microscopy is used and which is swung off the optical axis when dark field microscopy is used. When the deflector is swung off the optical axis an alternate illumination axis is utilized to provide a reduced portion of the observation axis having coaxial counterflowing light passing there along.

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Inventors:
KURISUNEIYAA SUWAMINAZAN
MIRUTON ETSUCHI SASUMAN
Application Number:
JP13092679A
Publication Date:
April 18, 1980
Filing Date:
October 12, 1979
Export Citation:
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Assignee:
AMERICAN OPTICAL CORP
International Classes:
G02B21/06; G02B21/08; G02B21/10; G02B21/12; (IPC1-7): G02B21/10; G02B21/12



 
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