Image rotation system

Details Image rotation system Image rotation system

1987-02-25

1987-12-01

Haroian, Harry N.

Optics: image projectors

Prism in light path

353101, G03B 2312

Patent

active

047100044

ABSTRACT:
A device for supporting a dove prism is provided which permits the dove prism to slide axially and maintain contact with a projection lens assembly in a microfilm projection device. The prism holder is rotatable to permit rotation of the images and the dove prism floats within the prism holder to maintain contact upon focussing of a lens or to maintain contact with various lens barrel assemblies placed in the photographic system.

REFERENCES:
patent: 3354776 (1967-11-01), Smitzer
patent: 4436391 (1984-03-01), Kashiwagi

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