Archived posting to the Leica Users Group, 1993/01/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]My guess is that Opton is just a conjured name. The Op probably is from Optics and the "on" is a common lens name ending like "ar". Biogon, Summicron, Topogon, Opton, etc. It may have had some other significance such as a code for price or number of elements, but I don't know enough about the lenses to say.