Title:
AUTOMATIC FOCUS ADJUSTER UNIT
Document Type and Number:
Japanese Patent JPS524247
Kind Code:
A
Abstract:
PURPOSE: In a microscope, to detect focus gap by taking image changing the light path length between the objective lens and the eye lens in more than 3 steps, keeping the light path length between the sample and objective lens constant.
Inventors:
SUZUKI RIYUUICHI
YAMAMOTO SHINJI
YAMAMOTO SHINJI
Application Number:
JP8012175A
Publication Date:
January 13, 1977
Filing Date:
June 30, 1975
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G03B13/36; G02B7/28; G02B7/38; G02B27/40; (IPC1-7): G02B7/11; G02B27/40
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