Lens control system and focus information display apparatus
AssigneeFujinon Corporation
InventorsTadashi Sasaki, Keiji Kaneko, Syunichiro Ouchi
Life of this patent
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Abstract
A screen of a display of a photographing system shows a distance scale indicating a present focus position and an indicator. The screen also shows a focus position already obtained by auto focusing, using a mark.
Claims18
A lens control system having an auto focus device which drives a focus of a photographing lens for automatic focusing and a manual focus device which drives the focus of said photographing lens by manually operating a predetermined operation member, the system comprising:
- an instructing device which instructs on recording of the focus position set by focusing executed by said auto focus device;
- and
- a focus recording position display device which displays the focus position the recording of which has been instructed on by said instructing device so that the focus position can be referenced when said manual focus device executes focusing.
A focus information display apparatus which displays information on a focus of a photographing lens, the apparatus comprising:
- a focus position storage device which stores a desired focus position of said photographing lens or a focus operation signal as a focus stored position;
- a focus present position acquiring device which acquires a present focus position or a focus operation signal as a focus present position;
- and
- a display device which displays information indicating how said focus present position and said focus stored position are close to each other.
A lens control system, comprising:
- an instruction device which instructs on recording a focus position to be stored;
- and
- a focus recording position display device which displays the focus position that has been instructed by the instructing device,
- wherein the stored focus position is obtained by an auto focus device or a manual focus device.
Dependencies are inferred from the claim text.