Archived posting to the Leica Users Group, 1997/03/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> I wonder if anybody is able to give me a formula to calculate the > approximate years of production of the following Leica M lenses I own: > > - Summicron 1:2/35, # 2395022 > - Tele-Elmarit 1:2,8 / 90, # 3216620 (Canada) > > Thanks in advance. > > Jussi Ojala > jusoja@clinet.fi Greetings, There is no formula I am aware of. The Hove collector book has a listing of lens serial numbers and the dates they were manufactured. The Summicron is from 1970 The Tele-Elmarit is from 1982 Peter Jon White