Lens apparatus and image-taking system with multiple focus...

Details Lens apparatus and image-taking system with multiple focus... Lens apparatus and image-taking system with multiple focus...

2004-12-30

2008-10-28

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Optics

Reexamination Certificate

active

07443441

ABSTRACT:
A lens apparatus is disclosed, in which the MF operation can be performed at any time during the AF operation. The lens apparatus comprises a lens system including a front focusing lens, a magnification-varying lens and a rear focusing lens, a first operating member, and a second operating member. The front focusing lens is driven for manual focus in accordance with the operation of the first operating member in the first mode, the rear focusing lens is driven for automatic focus in the second mode. The focus mode is switched from the second mode to the third mode in accordance with the operation of the second operating member. The rear focusing lens is driven in accordance with the operation of the second operating member in the third mode.

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patent: 0439219 (1991-07-01), None
patent: 0439219 (1991-07-01), None
patent: 2003-337278 (2003-11-01), None
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A Communication from the European Patent Office issued on Feb. 6, 2006 for Appl. No. 05 250 007.1-2217.
A Communication (European Searh Report) from the European Patent Office issued on Apr. 22, 2005 for Appl. No. 05 250 007.1-2217 (4 pages).

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