Exterior camera lens cleaning system and cleaning method thereof

An exterior camera lens cleaning system, comprising:

• a base unit fixed to a vehicle;
• a housing rotatably coupled to the base unit;
• an imaging device including a camera module, wherein at least a portion of the imaging device is inserted into the housing to move in a longitudinal direction of the housing;
• a wiper disposed within the housing to face the camera module;
• a washer fluid nozzle disposed adjacent to the wiper;
• and
• a controller configured to receive a video from the camera module, to set a rotation angle of the housing based upon driving conditions of the vehicle, and to adjust extension of the imaging device,
• wherein when the housing is rotated by the controller, the imaging device is configured to move synchronously with the housing horizontally in the longitudinal direction of the housing.