Hi standarduck,
I'm not speaking of the AR coats. I'm thinking the backside hard coats that are often put on by a spinning process. Typically done after generation and polish and before AR (if...
Type: Posts; User: Wheels; Keyword(s):
Hi standarduck,
I'm not speaking of the AR coats. I'm thinking the backside hard coats that are often put on by a spinning process. Typically done after generation and polish and before AR (if...
Can anyone tell me what is being done for back side hard coating in Asian countries such as China, Korea, Japan? Is it common to do on lenses there? If so, what products (machines and chemicals)...