Optical quartz glass convex lens(D12.5;f23)
Optical quartz glass convex lens(D15,f=35.9)
Quartz glass double convex lens(D25.4;f30)
Quartz glass double convex lens(D40,f=33)
Customized high-temperature resistant quartz glass sheet, irregular quartz sheet, optical lens, high transmittance
Red Glass Filter Lens 650nm HB650 Infrared Transmission,Cut-off Red Optical Filter Glass (Diameter : 30.5mm)