Provided are a camera capable of preventing an erroneous operation with a compact configuration and has high operability, a setting method of the camera, and a setting program of the camera. A touch sensor is provided on a top surface of an operation dial. A change in a setting value by the operation dial is switched between valid and invalid according to a detection result of the touch sensor, and an operation by the operation dial becomes possible only in a case where the change in the setting value is valid. A setting value of an item to be set by the operation dial is displayed on a sub-display provided near the operation dial.