Hand-held optical reader having a detachable lens-guide assembly

摘要

An optical reader is suitable for reading 2-dimensional indicia. The optical reading device, that may include a bar code reader, comprises a lens assembly and a guide detachably mounted on a front portion of the housing for establishing a distance between the lens assembly and an equipment target that is displaced a predetermined distance from a mark target wherein the optical reader further comprises an attaching member for supporting the lens assembly on the guide to form a detachable lens- guide assembly.