EZ way to find focal length of CO2 laser lens - CO2 Laser Optics

http://co2optics.com Ophir Co2 Laser Optics Division illustrates a simple way to measure the focal length of your CO2 focusing lens using a ruler and the room light. For more information about co2 laser optics: http://www.ophiropt.com/co2-laser-optics co2 laser optics focal length co2 laser lens focusing lens stress optronics

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• #co2