The date code of UF1000 suggests it is manufactured in October 1991. So I now actually own a FD lens from the nineties! In fact I didn't know Canon still manufactured FD lenses in that decade, apart from the odd 200mm f1.8. Canon Lens Date Codes. Beside the rear lens element of many (but not all) Canon lenses is a date code (as seen above) in the form of 'UR0902'.This code is also present on many other Canon products including camera bodies.
- ↑https://itstillruns.com/read-tire-date-codes-4621263.html
- ↑https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=11
- ↑http://www.popularmechanics.com/cars/a4047/how-old-are-your-tires-15441034/
- ↑https://www.tirerack.com/tires/tiretech/techpage.jsp?techid=11
- ↑https://www.tirebuyer.com/education/how-to-determine-the-age-of-your-tires
- ↑https://www.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/food-labeling/food-product-dating/food-product-dating
- ↑http://www.webmd.com/a-to-z-guides/features/do-food-expiration-dates-matter#3
- ↑https://www.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/food-labeling/food-product-dating/food-product-dating/!ut/p/a1/jZFvb4IwEMY_jS-xBygWk2UhJIu6CTNmE3ljKh4FB5S01f359HZue-Gim71Xz93ver2nJCUJSRu2LznTpWhY9alTbwUz8Gw_hEns23cwjp5n8X0YAp33DbD8A4jcK_svnAD-659cMcCR03DKSdoyXVhlkwuScNQWa9QrSkWSXIiNpViO-t3KWaYtVSDqn0LF1liVDf-WrRSbnWE2xqJLyQVJT58Ftolx5M57o0nkQtz7DZzx7Qu4bIzZnFdiffykZdCsXWpWlJijRNndSZMutG7VsAMdyBR2uRC8wm4m6qPuQCFqvM3ebgCo33cd3-053sCnDh30qTest7iSL9s9reHcgEIoTZLTe0lbPyUfD8EIysd6QVVwAP8bE-g!/#10
- ↑http://www.mreinfo.com/mres/mre-date-codes/
- ↑http://food.unl.edu/cracking-date-code-egg-cartons
- ↑http://www.antiquetech.com/?page_id=809
- ↑https://media.digikey.com/pdf/Other%20Related%20Documents/Panasonic%20Electric%20Works%20Other%20Doc/Relay_Date_Code.pdf
- ↑http://itstillworks.com/identify-integrated-circuit-chips-8636383.html