18884922. ACCESSORY, ITS CONTROL METHOD, AND STORAGE MEDIUM (CANON KABUSHIKI KAISHA)
ACCESSORY, ITS CONTROL METHOD, AND STORAGE MEDIUM
Organization Name
Inventor(s)
HIDEYA Takanashi of Kanagawa JP
ACCESSORY, ITS CONTROL METHOD, AND STORAGE MEDIUM
This abstract first appeared for US patent application 18884922 titled 'ACCESSORY, ITS CONTROL METHOD, AND STORAGE MEDIUM
Original Abstract Submitted
An accessory detachably attached between an interchangeable lens and an image pickup apparatus includes a processor configured to acquire first, second, and third instruction information. In response to the second instruction information, the processor has at least one of a first storage mode for storing diameter information in a memory at a first timing when the second instruction information is acquired, and a second storage mode for storing the diameter information in the memory at a second timing different from the first timing. In response to the third instruction information, the processor has at least one of a first playback mode in which the aperture unit is controlled using the diameter information at a third timing when the third instruction information is acquired, and a second playback mode in which the aperture unit is controlled using the diameter information at a fourth timing different from the third timing.