Interchangeable lens capable of transmitting diaphragm driving information to shooting apparatus, shooting apparatus, and camera system

An interchangeable lens control method, comprising:

• in an interchangeable lens comprising a diaphragm and a focus lens:
• controlling a motor to drive the diaphragm;
• controlling transmission of diaphragm driving information of the diaphragm to a shooting apparatus at a time the diaphragm is driven by the motor and prior to a stabilization operation of the diaphragm, wherein
• the diaphragm driving information includes stabilization time information of the diaphragm,
• the diaphragm driving information indicates a driving end timing of the diaphragm, and
• an exposure start timing of the shooting apparatus corresponds to the driving end timing of the diaphragm;
• controlling drive of the focus lens at the time the diaphragm is driven by the motor, wherein
• the drive of the focus lens is started after the transmission of the diaphragm driving information to the shooting apparatus;
• and
• controlling, prior to the driving end timing of the diaphragm, transmission of information that indicates an end of the drive of the focus lens to the shooting apparatus.

A shooting apparatus, comprising:

• a central processing unit (CPU) configured to:
• acquire diaphragm driving information of a diaphragm from an interchangeable lens, wherein
• the interchangeable lens includes a focus lens,
• the diaphragm driving information includes stabilization time information of the diaphragm,
• the diaphragm driving information indicates a driving end timing of the diaphragm,
• the acquisition of the diaphragm driving information is at a time the diaphragm is driven by a motor and prior to a stabilization operation of the diaphragm,
• drive of the focus lens by the interchangeable lens is at the time the diaphragm is driven by the motor, and
• the drive of the focus lens is started after the acquisition of the diaphragm driving information;
• acquire, prior to the driving end timing of the diaphragm, information that indicates an end of the drive of the focus lens from the interchangeable lens;
• and
• determine an exposure start timing that corresponds to the driving end timing of the diaphragm.

A camera system, comprising:

• an interchangeable lens;
• and
• a shooting apparatus, wherein
• the interchangeable lens is mountable on the shooting apparatus,
• the interchangeable lens comprises:
• a diaphragm;
• a focus lens;
• and
• a first central processing unit (CPU) configured to:
• control a motor to drive the diaphragm;
• control transmission of diaphragm driving information of the diaphragm to the shooting apparatus at a time the diaphragm is driven by the motor and prior to a stabilization operation of the diaphragm, wherein
• the diaphragm driving information includes stabilization time information of the diaphragm, and
• the diaphragm driving information indicates a driving end timing of the diaphragm;
• and
• control drive of the focus lens at the time the diaphragm is driven by the motor, wherein
• the drive of the focus lens is started after the transmission of the diaphragm driving information to the shooting apparatus;
• and
• control, prior to the driving end timing of the diaphragm, transmission of information that indicates an end of the drive of the focus lens to the shooting apparatus, and
• the shooting apparatus comprises a second CPU configured to determine an exposure start timing that corresponds to the driving end timing of the diaphragm.