Visible Red Laser Diode Modules are available from 635nm to 690nm, in various package sizes. Modules that provide a collimated beam. These lasers are suitable for high volume cost sensitive applications. Ultra-compact and available with pre-focussed or collimated beams. Self-contained, focus adjustable modules with a high quality aspherical glass lens that deliver exceptional beam quality, low divergence, high boresight accuracy, high stability and low noise in a compact package.