Lens focus adjustment means

A lens is mounted on a pair of parallel flexures so that it is rigidly constrained in every degree of freedom except axial movement. To achieve micro adjustments, the flexures are moved by a compound screw having two sections of different pitch to effect movement of the lens at a rate dependent on t...

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Bibliographic Details
Main Author JESSOP; THOMAS C
Format Patent
LanguageEnglish
Published 03.04.1990
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:A lens is mounted on a pair of parallel flexures so that it is rigidly constrained in every degree of freedom except axial movement. To achieve micro adjustments, the flexures are moved by a compound screw having two sections of different pitch to effect movement of the lens at a rate dependent on the pitch difference.
Bibliography:Application Number: US19880246575