Why is it more difficult to process ZnSe crescent lenses?
1. Two surfaces should be ground and measured separately, and the centering edge grinding should align the two optical axes; 2. Multiple processes and high working hours. The material itself is not the main reason
Why is it more difficult to process ZnSe crescent lenses?
1. Two surfaces should be ground and measured separately, and the centering edge grinding should align the two optical axes; 2. Multiple processes and high working hours. The material itself is not the main reason