Control apparatus and method, and storage medium
AssigneeCanon Kabushiki Kaisha
InventorsKazuya Higuma, Yasuhiro Hatakeyama, Gaku Takahashi
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Abstract
A control apparatus includes a first acquiring unit configured to acquire a hyperfocal length of a lens apparatus that is attachable to, detachable from, and communicable with an image pickup apparatus, using information acquired by communication between the lens apparatus and the image pickup apparatus, and a second acquiring unit configured to acquire a position of a focus lens in the lens apparatus according to the hyperfocal length.
Claims16
A control apparatus for an image pickup apparatus comprising:
- at least one processor;
- and
- at least one memory coupled to the at least one processor storing instructions that, when executed by the at least one processor, cause the at least one processor to function as:
- a receiving unit configured to receive from a lens apparatus that is attachable to, detachable from, and communicable with the image pickup apparatus, first information on a focal length of the lens apparatus:
- a first acquiring unit configured to acquire a hyperfocal length of the lens apparatus-using the first information;
- and
- a transmitting unit configured to transmit to the lens apparatus second information for driving a focus lens in the lens apparatus to a lens position corresponding to the hyperfocal length.
A control apparatus for a lens apparatus comprising:
- at least one processor;
- and
- at least one memory coupled to the at least one processor storing instructions that, when executed by the at least one processor, cause the at least one processor to function as:
- a receiving unit configured to receive from an image pickup apparatus that is attachable to, detachable from, and communicable with the lens apparatus, fourth information for acquiring a hyperfocal length of the lens apparatus;
- a second acquiring unit configured to acquire the hyperfocal length of the lens apparatus using the fourth information;
- a third acquiring unit configured to acquire a lens position that is a position of a focus lens in the lens apparatus corresponding to the hyperfocal length;
- and
- a driving unit configured to drive the focus lens to the lens position.
A control apparatus for a lens apparatus comprising:
- at least one processor;
- and
- at least one memory coupled to the at least one processor storing instructions that, when executed by the at least one processor, cause the at least one processor to function as:
- a transmitting unit configured to transmit to an image pickup apparatus that is attachable to, detachable from, and communicable with the lens apparatus, first information on a focal length of the lens apparatus;
- and
- a receiving unit configured to receive from the image pickup apparatus second information for driving a focus lens in the lens apparatus to a lens position corresponding to the hyperfocal length of the lens apparatus, wherein the image pickup apparatus has acquired the hyperfocal length of the lens apparatus using the first information.
A control method for a lens apparatus comprising the steps of:
- receiving from an image pickup apparatus that is attachable to, detachable from, and communicable with the lens apparatus, fourth information for acquiring a hyperfocal length of the lens apparatus;
- acquiring the hyperfocal length of the lens apparatus using the fourth information;
- acquiring a lens position that is a position of a focus lens in the lens apparatus corresponding to the hyperfocal length;
- and
- driving the focus lens to the lens position.
A control method for an image pickup apparatus comprising the steps of:
- receiving from a lens apparatus that is attachable to, detachable from, and communicable with an image pickup apparatus, first information on a focal length of the lens apparatus;
- acquiring a hyperfocal length of the lens apparatus using the first information;
- and
- transmitting to the lens apparatus second information for driving a focus lens in the lens apparatus to a lens position corresponding to the hyperfocal length.
Dependencies are inferred from the claim text.