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 p.1 #10 · Price question Voigtlander SL Series I 125/2.5 APO-Lanthar | |
Lars Johnsson wrote:
Thanks a lot. Do you know when this lens was released ?
Lars,
For a rather long thread on the V-APO-Lanthars, see this link - http://forum.mflenses.com/voigtlaender-sl-apo-lanthar-serials-and-production-volumes-t24547.html
I had also copied the stats below, probably resulting from that thread, and there was a request for serial numbers by an FM member in this forum a year or more ago, adding to this info. If I could remember who did this work, I'd give him a full citation. The author is called "Esox lucius" in that MFlenses site forum, and this info comes from the first post of the thread, and it's still active recently.
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For those of you who have not run into my project on other photography forums: I have crowdsourced a study collecting serial numbers. Goal of research is to establish understanding of true production volumes for the discontinued Cosina-made Voigtländer SL lenses.
You can contribute by posting to this topic or sending me a private message, including information like this:
75/2.5 in Canon FD/EF mount serial is 9031444
90/3.5 in N/Ai-S mount serial is 91601xx
125/2.5 in P/K-A mount serial is 9121214
180/4 in P/M42 mount serial is 9340305
etc. etc.
You can sensor out the last one or two digits if you feel so. I need more serials to improve on accuracy, so I greatly appreciate any help any SL lens owner can contribute with. Here are some preliminary findings apply to discontinued SL series, SL II still in production is another story.
Some lenses are engraved "Japan" while others "Lens made in Japan". Some are machine engraved in a precise fashion, some have engraving where digits are not properly lined up. The serial number always starts with a 9 and is always 7 digits long. The 2nd digit is manufacturing year.
Year 2000
75/2.5 in FD/EF, N/Ai-S, M/MD and C/Y mounts, batch of 3000
90/3.5 in N/Ai-S, O/OM, P/M42, batch of 1000 (?)
Year 2001
125/2.5 in N/Ai-S mount, batch of 1000-1200
125/2.5 mostly in P/K-A mount (some M/MD), batch of 1000
125/2.5 in FD/EF mount, batch of 1000-1500
125/2.5 for all mounts (incl. Canon & Nikon), batch of 1000
90/3.5 for N/Ai-S and P/M42, batch of 2000
Year 2002
90/3.5 for P/K-A & P/M42 mount, batch of 1300-2000
125/2.5 in N/Ai-S mount, batch of 1000
Year 2003
180/4 in N/Ai-S and P/K-A mount, batch of 1000-1500
180/4 in O/OM, P/K-A and P/M42 mount, batch of 1000-1500
90/3.5 in LTM mount, 500-1000
Years 2004-2005
No lenses were manufactured during this time period. Cosina was evidently in pre-production stage for Zeiss glass.
Years 2006-2009
40/2 in several mounts
58/1.4 in several mounts
20/3.5 in several mounts
Of the SL I lenses, Minolta/MD and Contax/Yashica mount lenses are by far the rarest of the rare, manufactured probably in hundreds at most.
Nikon users might be interested in the production volume for the discontinued apochromatic family in N/Ai-S mount:
180/4 APO exists in 700 (possibly up to 1000) copies
90/3.5 APO exists in 1000 to 1500
125/2.5 APO exists in 2200 to 2500 copies
125/2.5 APO in Canon FD/EF is a batch of 1500 total.
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