Series LC Plano Concave Lenses


These low absorption ZnSe negative focusing lenses provide an extended lifetime in laser cutting applications where depth of field is an important factor. Ideally suited for welding, cutting and heat treating, these low cost lenses have superior thermal characteristics which can prevent thermal runaway in high power CO2 lasers.

*Prices listed are for small quantity orders, for large quantity discounts please Contact Us.

All series LC lenses are coated and optimized for use at 10.6 microns.

View Category Specifications

Diameter Tolerance: + 0.000″ / – 0.005″
Thickness Tolerance: +/- 0.010″
Centering Tolerance: 3 Arc Minutes Maximum
Sphericity: < 1/40th wave at 10.6 microns
Surface Quality: 40-20 Scratch-Dig
Focal Length Tolerance: +/- 0.5 %
Absorption: 0.25 % total
AR Coating Reflectivity: R < 0.5 % at 10.6 microns

Showing 1–9 of 11 results

    Catalog No. Material Diameter Focal Length Edge Thickness QOH Price Order
    LC-0610-Z-ET4.6 ZnSe0.600"1.000"0.180"46$140.00
    LC-0620-Z-ET2.0 ZnSe0.600"2.000"0.080"36$135.00
    LC-0710-Z-ET5.0 ZnSe0.750"1.000"0.200"27$155.00
    LC-0715-Z-ET4.0 ZnSe0.750"1.500"0.160"22$145.00
    LC-0720-Z-ET2.5 ZnSe0.750"2.000"0.100"16$140.00
    LC-0725-Z-ET3.0 ZnSe0.750"2.500"0.120"21$130.00
    LC-0750-Z-ET2.5 ZnSe0.750"5.000"0.100"0$125.00Contact Us
    LC-1020-Z-ET4.0 ZnSe1.000"2.000"0.160"10$190.00
    LC-1110-Z-ET6.0 ZnSe1.100"1.000"0.236"8$250.00
    LC-1115-Z-ET5.0 ZnSe1.100"1.500"0.200"1$235.00
    LC-1125-Z-ET3.0 ZnSe1.100"2.500"0.120"14$210.00