Focusing state determining adapter for taking lens

Details Focusing state determining adapter for taking lens Focusing state determining adapter for taking lens

2005-08-02

2005-08-02

Vu, Ngoc-Yen (Department: 2615)

Television

Camera, system and detail

Optics

C348S337000, C348S350000, C348S351000

Reexamination Certificate

active

06924842

ABSTRACT:
The focusing state determining adapter is detachably mounted between an interchangeable taking lens and a camera body in a camera system. The focusing state determining adapter includes a focus-imaging element and a beam splitter, which divides the subject light entering through the taking lens into light entering the focus-imaging element and light entering the camera body. The focusing state determining adapter determines the focusing state of the taking lens according to an image captured by the focus-imaging element.

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patent: 6157781 (2000-12-01), Konno et al.
patent: 6363220 (2002-03-01), Ide
patent: 55076312 (1980-06-01), None
patent: 62247314 (1987-10-01), None
patent: 7-60211 (1995-06-01), None

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