Our straight-line generator lenses can be used to display a uniform straight reference line for use in alignment, machine vision systems, construction and process control. In addition, the lenses may also be used on lower power lasers, (note that intensity will be diminished in normal work light and distances). On a 3.5mW laser, for example, the line would be easily visible in normal interior room light at 30 feet. Lenses are available in fan angles of 30°, 45°, 60° and 90° are unmounted for custom applications.