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Hi guys. Just received a cheap 1mW 405nm Laser Poiner for testing. When I turn it on and shine it at my wall the dot looks all fuzzy. But on different objects it looks like a solid dot. Is this a normal function of the 405nm's? Also I cant see the beam either. I have tried adjusting the focus...

Hi there. Does anyone know of a way to make a compact Laser Driver to fit into a laser pointer housing. Ive read the guilde on making one and will be building one of those shortly for testing diodes but the size isnt practicle for a handheld laser. I want to make my own since importing lasers...