Original II-VI Lens CO2 Laser Lensa China CVD ZnSe MeniscusTersedia Pilihan :Diameter 20 mmFocus Length 50.8 mmThickness 2 mmMeniscusChina CVD ZnSeDiameter 20 mmFocus Length 63.5 mmThickness 2 mmMeniscusChina CVD ZnSeHarga per 1 pc