The camera system according to claim 3, wherein the tilt-shift unit further includes a tilt driver configured to drive the tilter, and a shift driver configured to drive the shifter.ĥ. The camera system according to claim 1, wherein the tilt-shift unit includes: a tilt frame a tilter configured to rotate the tilt frame relative to the lens side mount of the adapter around one point on an optical axis on a plane that passes the optical axis of the image-pickup optical system a shift frame and a shifter configured to move the shift frame in a direction orthogonal to the optical axis of the image-pickup optical system relative to the camera side mount of the adapter, wherein the detector includes: a tilt amount detector configured to detect a tilt amount of the tilt frame by the tilter, and a shift amount detector configured to detect a shift amount of the shift frame by the shifter.Ĥ.
The camera system according to claim 1, wherein the interchangeable lens has an image size larger than a sensor size of the image sensor in the camera body.ģ. A camera system comprising: an interchangeable lens including an image-pickup optical system configured to form an optical image of an object a camera body including an image sensor configured to photoelectrically convert the optical image of the object formed by the image-pickup optical system an adapter attachable between the interchangeable lens and the camera body, the adapter including a lens side mount to which the interchangeable lens is detachably attachable, a camera side mount detachably attachable to the camera body, a tilt-shift unit configured to provide at least one of a tilt operation and a shift operation vertical to an optical axis of the interchangeable lens, and a detector configured to detect at least one of a tilt amount and a shift amount and a controller, wherein a flange focal length of the interchangeable lens is longer than a flange focal length of the camera body, wherein a length of the adapter from the lens side mount to the camera side mount in an optical axis direction is equal to or smaller than a difference between the flange focal length of the interchangeable lens and the flange focal length of the camera body, wherein the image-pickup optical system includes a focus lens unit, and wherein the controller is configured to control a focus driving range of the focus lens unit based on a detection result by the detector.Ģ.
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