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Message: <blockquote data-quote="garymh" data-source="post: 2369113" data-attributes="member: 60134">Sometimes the dates on these binoculars can get confusing.During my 17 years working for Leitz / Leica and studying the history of the binoculars with access to the archives I was able to find out the dates of major releases etc.(This led to the writing of my book on the history of the Leitz / Leica Trinovid series which was fully endorsed by the company).The 7x42 BA (green) was released in 1979.Production of the second Trinovid series ceased at the end of 1988.According to the list you attached a link to there were various dates for the introduction of the "B" models.....<a href="http://home.europa.com/~telscope/leitzbin.txt" target="_blank">http://home.europa.com/~telscope/leitzbin.txt</a>The 10x40 and 8x32 were listed as being available as "B" models from 1974.   The main description for this model gives a date for the "B" as 1975.The attached Leitz Technical Information sheet, however, shows them as available from 1973.I have the greatest repect for the research of others but sometimes other information becomes available.The other attached sheet shows the official Leica serial number list with production ceasing in 1988.The main text</blockquote>