Archived posting to the Leica Users Group, 2019/05/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Don, Sorry! I forgot the most critical bit of information about the lens. Concave front element. AND!: Yes, the glass turns a pale yellowish color over time. So I put the lens under an IKEA LED table lamp. Someone on the internet said the lamp emitted sufficient UV light to reverse the yellowing. So far it seems to work. Wayne