Setting Laser Focus on Your K40 Laser

I'll show you how to find the perfect focal distance for your laser using the ramp method. Then I'll show you a cool trick that I use to find the optimal material height to get the perfect engrave or cut. Tools I Used (Affiliate): 6" Adjustable Combo Square: https://amzn.to/3fdEwuJ Lab Jack: https://amzn.to/34VMhkX -== Connect With Me ==- Website: https://www.laser-pop.com/ Facebook:   / laserpoptv   Instagram:   / laserpoptv   Twitter:   / laserpoptv