An apparatus for handling piece goods that are being moved in at least two parallel rows , the apparatus comprising - at least one manipulator for piece goods , - at least two transport devices by way of which the moved piece goods are transportable in a transport direction (TR) to a seizing range of the at least one manipulator , and also comprising - at least one movable optical detection device assigned to the seizing range and/or to a movement space of the at least one manipulator , which at least one movable optical detection device is prepared and equipped for the acquisition of space coordinates and/or position data and/or contour data of at least one piece good of the at least two transport devices , the at least one piece good being moved in transport direction (TR), - wherein at least the manipulator and/or further conveyor components of the apparatus is/are calibratable and/or controllable based on the space coordinates and/or position data and/or contour data, - wherein the at least one optical detection device is designed to be at least temporarily movable parallel to a horizontal conveying device assigned to the seizing range , - wherein one optical detection device is provided for each transport device , - wherein at least two optical detection devices are arranged so as to be movable parallel to the transport direction (TR) in or against the transport direction (TR) in the area of a longitudinal side of the horizontal conveyor device , characterised in that - the at least two optical detection devices are arranged at different heights above a conveyor surface or conveying level for the piece goods formed by the horizontal conveying device , - wherein the at least two optical detection devices comprise a common drive and a common movement range in the area of a longitudinal side of the horizontal conveyor device . - at least one manipulator for piece goods , - at least two transport devices by way of which the moved piece goods are transportable in a transport direction (TR) to a seizing range of the at least one manipulator , and also comprising - at least one movable optical detection device assigned to the seizing range and/or to a movement space of the at least one manipulator , which at least one movable optical detection device is prepared and equipped for the acquisition of space coordinates and/or position data and/or contour data of at least one piece good of the at least two transport devices , the at least one piece good being moved in transport direction (TR), - wherein at least the manipulator and/or further conveyor components of the apparatus is/are calibratable and/or controllable based on the space coordinates and/or position data and/or contour data, - wherein the at least one optical detection device is designed to be at least temporarily movable parallel to a horizontal conveying device assigned to the seizing range , - wherein one optical detection device is provided for each transport device , - wherein at least two optical detection devices are arranged so as to be movable parallel to the transport direction (TR) in or against the transport direction (TR) in the area of a longitudinal side of the horizontal conveyor device , characterised in that - the at least two optical detection devices are arranged at different heights above a conveyor surface or conveying level for the piece goods formed by the horizontal conveying device , - wherein the at least two optical detection devices comprise a common drive and a common movement range in the area of a longitudinal side of the horizontal conveyor device . <EOS>