1985-12-30
1987-08-25
Corbin, John K.
350447, G02B 934, G02B 1304
Patent
active
046889060
ABSTRACT:
Optical systems for use with attachments for a conventional reflex motion picture camera to permit stereographic cinematography are disclosed. The optical systems include lens systems having four powered elements having negative, positive, negative, and positive focal lengths respectively. The lens systems are adapted to be used with the Bernier stereographic cinematography attachment system as modified for reflex motion cameras. The lens systems include a normal lens system, a wide angle lens system, and a telephoto lens system. The wide angle lens system further includes plane parallel refractive elements to increase its overall length without changing its back focal length, and the telephoto lens system is adapted to be used with internal displacement prisms which bring the images produced by the telephoto lens system into the camera flange opening.
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Hilbert Robert S.
Korniski Ronald J.
Capitol Records
Corbin John K.
Gass Rebecca D.
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