Television – Camera – system and detail – Optics
Reexamination Certificate
2007-04-23
2009-10-20
Hannett, James M (Department: 2622)
Television
Camera, system and detail
Optics
Reexamination Certificate
active
07605860
ABSTRACT:
Provided is an image pickup optical system capable of performing focusing in a wide region without a large increase in tilt angle in the case where an image of an object is picked up from a low angle. The image pickup optical system includes a first optical system and a second optical system, for enlarging an image formed by the first optical system and forming the enlarged image. A principal plane of the first optical system is tilted relative to an image plane of the second optical system.
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Saito Ken-ichi
Saitoh Kenji
Yoshikawa Hiroshi
Canon Kabushiki Kaisha
Cowan Liebowitz & Latman P.C.
Hannett James M
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