Image pickup apparatus and interchangeable lens

Details Image pickup apparatus and interchangeable lens Image pickup apparatus and interchangeable lens

2011-01-11

2011-01-11

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Optics

C348S335000, C396S091000, C396S374000

Reexamination Certificate

active

07868943

ABSTRACT:
An image pickup apparatus100includes a memory52that stores information on an object distance obtained from an interchangeable lens220mounted on the image pickup apparatus and a memory controller50that retains the information on the object distance in the memory also after the interchangeable lens is removed from the image pickup apparatus. The image pickup apparatus of a changing-lenses type in which an object in-focus at a same distance can be obtained in a short time when lenses are changed is provided.

REFERENCES:
patent: 5255043 (1993-10-01), Kawasaki
patent: 5274416 (1993-12-01), Kawasaki et al.
patent: 5325145 (1994-06-01), Hirasawa
patent: 5946504 (1999-08-01), Hirasawa et al.
patent: 6941068 (2005-09-01), Matsuda
patent: 02-065474 (1990-03-01), None
patent: 2000-050141 (2000-02-01), None

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