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Continue to ChatDetermining the Age of a Canon Lens Using Serial Numbers and Date Codes http://stephenleung.idv.hk/2013/04/24/determining-the-age-of-a-canon-lens-using-serial-numbers-and-date-codes/
Determining the Age of a Canon Lens Using Serial Numbers and Date Codes http://stephenleung.idv.hk/2013/04/24/determining-the-age-of-a-canon-lens-using-serial-numbers-and-date-codes/