No problem. And what about lenses made before the 10 digits system? Check the date code beside the rear lens element, see image below. See below:. Canon incremented this letter each year, starting with A in and before using A in without the initial factory code. Sometimes the month code comes without the leading zero. This post might contain affiliate links. Support Home. Help Center. Software Knowledge Base. Product Returns. Reseller Support. Tripp Lite joined the Eaton family in March Eaton has long been a premier name in backup power and power management.
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Tripp Lite W. Canon lens date codes and EF lens chronology Lens manufacturing codes Some older Canon lenses are stamped with a manufacturing code consisting of two letters and typically four numbers. The first two digits are a date code, indicating month and year of manufacture.
Canon EF lens chronology When was a lens announced, and is it still a current model? EFmm F EF-S mm f3. Welcome to EFLens. Feb 26, 1 What are they used for?
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