WECHSELOBJEKTIV-EINRICHTUNG IN EINEM MIKROFILM-LESEGERAET

In a microfilm reader, an objective lens tube removal or exchanging arrangement which includes a cylindrically shaped supporting casing for the objective lens tube. The objective lens tube is, for focusing purposes, slidably adjustably mounted along its optical axis in the cylindrically shaped suppo...

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Bibliographic Details
Main Authors RAUFFER,(GRAD.),WALTER, DIETRICH,(GRAD.),KARL-HEINZ, GRUBER,(GRAD.),JOSEF, NASSL,(GRAD.),PETER
Format Patent
LanguageGerman
Published 30.07.1981
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
ELECTROGRAPHY
HOLOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:In a microfilm reader, an objective lens tube removal or exchanging arrangement which includes a cylindrically shaped supporting casing for the objective lens tube. The objective lens tube is, for focusing purposes, slidably adjustably mounted along its optical axis in the cylindrically shaped supporting casing. The cylindrically shaped supporting casing has an opening which is sufficiently large to permit the removal or exchange of the objective lens tube therethrough in a direction substantially normal to the optical axis of the objective lens.
Bibliography:Application Number: DE19803002844