Compact image pickup lens system for a video camera

Details Compact image pickup lens system for a video camera Compact image pickup lens system for a video camera

1996-11-07

2000-08-15

Faile, Andrew

Television

Camera, system and detail

Optics

359673, H04N 5225, G02B 1502

Patent

active

061044326

ABSTRACT:
A compact video camera has an image pickup lens system providing a zooming function and a wide angle field of view. The zooming function is performed by a zoom lens, while the wide angle view is achieved via a wide angle converter. The wide angle converter, located closer to the object than the zoom lens, comprises a negative lens, a positive lens, and a reflecting member located between the negative and positive lenses. With the use of the reflecting member, an optical axis of the image pickup lens system extending from the object side to the image side of the camera may be folded. The position at which the optical axis is folded is located closer to the object side than the image side.

REFERENCES:
patent: 4169660 (1979-10-01), Nakamura
patent: 4431273 (1984-02-01), Nakamura
patent: 5164859 (1992-11-01), Ito
patent: 5530594 (1996-06-01), Shibayama
patent: 5568197 (1996-10-01), Hamano

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