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1. DECODE APPLE SERIAL NUMBER SERIAL NUMBERS
2. DECODE APPLE SERIAL NUMBER SERIAL NUMBER
3. DECODE APPLE SERIAL NUMBER CODE

Please note that, while the overall chart is holding out nicely with the lenses we've checked (including several late-2014 models), it is a work-in-process. The remaining digits in the serial number, SSSSSSS, are a uniquely-identifying number of the lens – likely within the production month. The third digit in the serial number, C, may be a charge/batch type of number.Ĭanon has been using this number to indicate lenses needing specific service-related updates such as firmware. Note that Canon EOS DSLR camera body serial numbers, at least for 2013, do not follow this chart.Īlso please note that future dates shown in the table are predictions/expectations. These dates should be viewed as approximations and should be used for your amusement as the estimates are not guaranteed correct.

DECODE APPLE SERIAL NUMBER CODE

The Canon lens date code chart is shown below. The DD is the key to the date the lens was manufactured - the production date code.

DECODE APPLE SERIAL NUMBER SERIAL NUMBER

To age a Canon lens using the 10-digital serial number, we dissect the serial number as follows: However, now we can age a lens based on the serial number alone.įor information on determining the age of a pre-10-digit serial number lens, see the section on interpreting the old date code below.ĭetermine the Age of a Canon Lens Based on the 10-Digit Serial Number

We loved the date code because it made aging a lens easy.

DECODE APPLE SERIAL NUMBER SERIAL NUMBERS

While date codes and shorter serial numbers are still found on some lenses manufactured in or after 2008, that practice appears to have been completely phased out. However, starting in 2008 with the Canon EF-S 18-200mm f/3.5-5.6 IS Lens, Canon has transitioned away from date code inclusion and to a longer 10-digit lens serial number. Traditionally, we used the date code to determine the age of a Canon lens. The lens's serial number or date code (or even box) may answer that question.