WebOMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser … WebJul 4, 2012 · As you decrease spot size when focusing, the peak will start to increase and you never get small dot. With correct orientation the spot will look more or less same during focusing, just the size will change. Last edited: Jul 3, 2012 Jul 4, 2012 #6 tsteele93 0 Joined Dec 27, 2011 Messages 2,062 Points 48

Laser Pointers - Cool Laser Pointers

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CO2 Laser Mirror Si Mirror Φ 25mm 20mm*3pcs + Znse Focus Lens …

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