объектив фокуса лазера фокуса 50.8mm

CVDZnSe Optical Laser Focus Lens 20mm Laser Machine Spare Parts Brief Introduction: The laser focus lens features CVD ZnSe imported from America, boasting low material absorption rate, excellent high-power density endurance, firm surface membrane, and great scratch resistance. The imported CVD ZnSe double-side antireflection film is mainly used to decrease or eliminate the reflective lights from optical lens, prisms, plane mirrors, etc. so as to increase light penetration and