Data reading system and method for multi-view imaging using an adjustable mirror

An automated checkout system for data reading, and related methods of use, the checkout system including a portal scanner and a conveyor for transporting items, the portal scanner housing a data reader with a view volume directed at a steerable mirror. In one example, the steerable mirror moves between various positions to augment the effective view volume of the data reader for capturing data from various surfaces of the item being transported on the conveyor. The portal scanner may include one or more mirrors arranged in an angular configuration to redirect the view volume of the data reader to capture data from the various surfaces of the item.