*     High-quality spherical double-concave lens for DUV wavelengths
*     Ideal for 248 nm KrF excimer laser wavelength
*     Shape: Circular, Diameter: 68 mm
*     Focal Length: -220.8 mm
*     Radii of Curvature: 213 mm and 68 mm
*     Center Thickness: 15 mm
*     Surface finish: 20-10 laser quality
*     Both surfaces anti-reflection coated for 248 nm
*     Material: Calcium Fluoride
*     Condition: Brand new

We always combine shipments and refund the excess shipping by PayPal.