Purchase Qty. Reference FOB Price
100-499 Pieces US$70.00
500-999 Pieces US$65.00
1,000+ Pieces US$58.00
Product Description
Product Description:The focusing lens is a focal lens that can generate high energy density in order to focus the beam. Their materials and shapes are different, and their uses are also different. The main materials are fused silica, zinc sulfide, zinc selenide, calcium fluoride and other materials. ...