Anamorphic attachment lens

Details Anamorphic attachment lens Anamorphic attachment lens

1999-08-30

2000-06-06

Epps, Georgia

Optical: systems and elements

Lens

Anamorphic

359642, G02B 1308, G02B 300

Patent

active

060726369

ABSTRACT:
An anamorphic attachment lens is disclosed that consists of a single lens element which is afocal, so that light rays which are incident onto a photographic object side of said anamorphic attachment lens exit the photographic image side of said lens substantially parallel to the direction in which they were incident. The attachment lens enables a standing person to be photographed so as to appear either slimmer or fatter than normal, while employing only a single lens element which may be affixed to a camera. Since the attachment lens is afocal it does not affect the focusing of a camera with which it is used. Further, the attachment lens may be rotated 90 degrees about the optical axis in order to easily select whether the image will appear slimmer or fatter than normal. In preferred embodiments, prescribed conditions are satisfied to maintain high image quality and to insure that a predetermined amount of anamorphism is provided.

REFERENCES:
patent: 5339193 (1994-08-01), Korpert

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