Camera system, camera and lens apparatus

A camera on which a lens apparatus is mountable, the lens apparatus comprising an image-taking optical system which includes a focus lens unit, the camera comprising:

• a communication unit which communicates with the lens apparatus;
• a focus detection unit which detects a focusing state of the image-taking optical system;
• a driving unit which drives the focus lens unit;
• and
• a controller which controls the driving speed of the focus lens unit through the driving unit and through communications with the lens apparatus through the communication unit and controls the focus detection unit to perform a focus detection operation at least once while the focus lens unit is moved,
• wherein the controller sets the driving speed of the focus lens unit at the time of at least the final focus detection operation by the focus detection unit while the focus lens unit is moved toward an in-focus position, to a speed decelerated from the driving speed before the final focus detection operation.

A camera comprising:

• an image-taking optical system including a focus lens unit;
• a focus detection unit which detects the focusing state of the image-taking optical system;
• a driving unit which drives the focus lens unit;
• and
• a controller which controls the driving speed of the focus lens unit through the driving unit and controls the focus detection unit to perform a focus detection operation at least once while the focus lens unit is moved,
• wherein the controller sets the driving speed of the focus lens unit at the time of at least the final focus detection operation by the focus detection unit while the focus lens is moved toward in-focus position, to a speed decelerated from the driving speed before the final focus detection operation.

A lens apparatus which is mountable to a camera detecting at least once the focusing state of the image-taking optical system through a focus detection unit while the focus lens unit is moved, the lens apparatus comprising:

• an image-taking optical system including the focus lens unit;
• a driving unit which drives the focus lens unit;
• and
• a controller which controls the driving speed of the focus lens unit through the driving unit,
• wherein the controller sets the driving speed of the focus lens unit at the time of at least the final focus detection operation by the focus detection unit while the focus lens unit moves to an in-focus position, to a speed decelerated from the driving speed before the final focus detection operation.