Image rotating optical system

Details Image rotating optical system Image rotating optical system

1982-12-06

1985-07-16

Corbin, John K.

350 64, G02B 2702

Patent

active

045292760

ABSTRACT:
An image rotating optical system provided with an imaging optical element for forming an image, an image rotating optical element rotatable about the optical axis of the imaging optical element to rotate the light beam therefrom, and a light shield element positioned between the imaging optical element and the image rotating optical element and rotatable about the optical axis with the rotation of image rotating optical element, to correct the unevenness in the illuminance caused by the image rotating optical element.

REFERENCES:
patent: 3099748 (1963-07-01), Weiss
patent: 3724927 (1973-04-01), Cox
G. Schroder, "Technische Optik", second edition, pp. 40 and 76.

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