In lasers, the ratio between the actual focal point diameter and a theoretically perfect focal point diameter, usually expressed as a unitless value, M2, with the best value being 1.00; real-world values range from about 1.1 to 1.5.
Altec Automates for Increased Productivity with Prima Power
“I have never had a machine perform as well as the Prima Power Shear Genius. And when you take the reliability of the SG into consideration, there is no comparison.” Jeff Mooney, Altec Body Mfg.
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