An interchangeable lens element that can convert dots projected by a LaserLyte-Flex laser into lines, crosses, or 4x4 grid lines. The wide-angle lens uses a molded multi-rod lens, and the 9 ° cross lens uses a DOE (diffractive optical element) lens. Each lens shall be; Use with 697-3557 697-3557. We have the following lenses. ; 127-1548 127-1548