Canon EF 300mm 1:4.0 L IS USM Parts Catalog page 7

CANON LENS EF 300 mm 1:4.0 L IS USM
REF. C21-8401
(AL-087)
YA2-0391-001
YN2-1081
YN2-1082
YN2-1083
CY1-2783
YN2-1085
YP2-1087
(AL-078)
CY1-2850
(AL-078)
YG2-0305-040
YP2-1094-010
(AL-093)