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Decoding of lens numbers on front of Nlenses

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Hi you all:

There is a 10-figure number on the front of my N lenses (24-85, 70-200). Is there anyone who knows how to interpret these (i.e., is year and number of manufacture in there somewhere)?

Just curious to see if I have early or late runs.

Thanks.
 
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