Canon EOD 50D Instruction Manual page 21

Nomenclature
Nomenclature for Kit Lenses
EF-S18-200mm f/3.5-5.6 IS and EF-S18-55mm f/3.5-5.6 IS
I
L - - _
Contacts (p.13)
,.....---- Focus mode switch (p.31)
,---Zoom ring (p.32)
ttm'lllll!!l-_
~--.--
Zoom position index (p.32)
1--------
Hood mount ------,
(p.209, 210)
Filter thread
(front of lens)
(p.209, 210)
"l~t
Image Stabilizer switch (p.33)
j'
Lens mount index (p.31)
Focusing ring (p.88,127)
EF-517-85mm f/4-5.6 15 U5M and EF28-135mm f/3.5-5.615 U5M
Focus mode switch (p.31)
--Zoom position index (p.32)
1- -------------
Filter thread
(front of lens) (p.209, 210)
Zoom ring (p.32) _._._-
,--- Focusing ring (p.88,127)
"'':''--~"'.''11 ~---
Distance scale
Image Stabilizer switch (p.33)
Lens mount index (p.31)
21