Camera capable of varying luminous intensity distribution angle of flash device
AssigneeCanon Kabushiki Kaisha
InventorKazuo Nakagawa
Life of this patent
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AssigneeCanon Kabushiki Kaisha
InventorKazuo Nakagawa
Estimating the term…
A camera includes a lens barrel having a cam part in which a plurality of magnification varying cam areas for varying magnification and a plurality of focusing cam areas for focusing are alternately formed in a continuous manner, a flash light emitting part arranged to be capable of varying a luminous intensity distribution angle, a driving part for causing the lens barrel to move along an optical axis while rotating around the optical axis, the lens barrel having a lens thereof driven along the cam part to perform a magnification varying action or a focusing action, and a control mechanism for controlling the luminous intensity distribution angle of the flash light emitting part in association with the rotation of the lens barrel in such a way as to cause the luminous intensity distribution angle of the flash light emitting part to vary when the lens is driven to move along one of the plurality of magnification varying cam areas and to cause the luminous intensity distribution angle of the flash light emitting part not to vary when the lens is driven to move along one of the plurality of focusing cam areas.
A camera comprising:
A camera comprising:
Dependencies are inferred from the claim text.