Material:   Calcium Fluoride                                                                                       

   Dimension Tolerance:+0.0/-0.2mm    

   Thickness Tolerance:±0.2mm

    Surface Quality:80-50

   Centration:3-5arc min 

   Clear Aperture:80%

   Bevelling:0.3mm×45°
 

The price changes according to different materials, different specs of products, as well as different quantity.
For exact price of the products that you need, please contact with our sales, you can send your specs or drawings,
we will quote you the most competitive price as well as the good quality.