Multiple field of view changing apparatus for an optical system

Details Multiple field of view changing apparatus for an optical system Multiple field of view changing apparatus for an optical system

1995-11-22

1998-03-10

Dzierzynski, Paul M.

Optical: systems and elements

Lens

With support

359421, G02B 702, G02B 2300

Patent

active

057268142

ABSTRACT:
A three field of view change apparatus has a cubic carousel 1 mounted for rotation about a rotation axis 2 which is coincident with a diagonal of the carousel 1. The rotation axis 2 makes an angle of 54.736.degree. with a fixed optical axis 5 so that carousel 1 can be rotated to cause the fixed optical axis 5 to pass through the centres of any two opposed faces of the carousel 1. Optical components 14 are arranged on opposed faces of the carousel 1 and can be swung into alignment with the optical axis by rotating the carousel.

REFERENCES:
patent: 1236722 (1917-08-01), Lange
patent: 2552940 (1951-05-01), Cornut
patent: 4195903 (1980-04-01), Kawase et al.
patent: 4961636 (1990-10-01), Gaul et al.
patent: 5515206 (1996-05-01), Peng
patent: 5528416 (1996-06-01), Hartmann

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