The world's smalles modules contain the laser diode, drive electronics, and optics all in a metal housing.
Low cost point lasers with small form factor for the wavelengths 515 nm or 520 nm Green lasers are more visible to the human eye than red ones.
With its LC-LMP series, Laser Components offers different dot and cross-hair lasers at 635 nm (red). This series features an adjustable focus.
How can you ensure that the pi...