2 interesting comments. Crazing happens when the hard coat does not flex with the basic lens material, which happens under extreme heat or cold. Yellowing can be the lens itself or it could be the...
Type: Posts; User: Chris Ryser; Keyword(s):
2 interesting comments. Crazing happens when the hard coat does not flex with the basic lens material, which happens under extreme heat or cold. Yellowing can be the lens itself or it could be the...