FujiFilm XF18mmF1.4 R LM WR Owner's Manual page 13

Parts of the Lens
Q The lens mount includes a rubber ring to ensure that the lens re-
mains dust- and splash-proof. The ring can be replaced for a fee at
any Fujifi lm service center.
Q The shape of the lens varies with the model.
A
Lens hood (XF18mmF1.4 R LM WR)
B
Mounting marks
C Focus ring
D Aperture ring lock release
E Mounting marks (focal length)
F Aperture ring
G
Lens signal contacts
H
Lens hood (XF23mmF1.4 R LM WR)
I
Lens hood (XF33mmF1.4 R LM WR)
J Front lens cap
K Rear lens cap
ENGLISH EN-5