Interchangeable lens type digital camera

Details Interchangeable lens type digital camera Interchangeable lens type digital camera

2008-04-21

2010-06-22

Perkey, W. B. (Department: 2862)

Photography

With exposure objective focusing means, focusing aid, or...

Lens characteristic compensating

C396S103000, C396S133000, C396S530000, C348S353000

Reexamination Certificate

active

07742693

ABSTRACT:
An interchangeable lens type digital camera includes a camera main body and an interchangeable lens. The camera main body includes a control section which communicates with an interchangeable lens, and controls focus adjustment of the interchangeable lens by a hill-climbing AF system. A judgment section judges a characteristic of the interchangeable lens on the basis of communication between the interchangeable lens and the control section. The interchangeable lens includes a focus lens for performing focus adjustment. A focus lens drive section drives the focus lens. A lens control section communicates with the control section, and controls the focus lens drive section to perform focus adjustment. The control section changes a previously determined drive enabled range of the focus lens on the basis of a judgment result of the judgment section to perform focus adjustment of the interchangeable lens.

REFERENCES:
patent: 2005/0168622 (2005-08-01), Kawai et al.
patent: 2008/0118238 (2008-05-01), Sogawa et al.
patent: 7-43605 (1995-02-01), None
patent: 2006-23653 (2006-01-01), None

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