Canon Lens Date Codes
A 2012, 1986, 1960
B 2013, 1987, 1961
C 2014, 1988, 1962
D 2015, 1989, 1963
E 2016, 1990, 1964
F 2017, 1991, 1965
G 2018, 1992, 1966
H 2019, 1993, 1967
I 2020, 1994, 1968
J 1995, 1969
K 1996, 1970
L 1997, 1971
M 1998, 1972
N 1999, 1973
O 2000, 1974
P 2001, 1975
Q 2002, 1976
R 2003, 1977
S 2004, 1978
T 2005, 1979
U 2006, 1980
V 2007, 1981
W 2008, 1982
X 2009, 1983
Y 2010, 1984
Z 2011, 1985