Canon 550D - Manual (Page 21)

21
Nomenclature
Lens
Lens without a distance scale
Lens with a distance scale
Focus mode switch (p.33)
Lens mount index (p.33) Contacts (p.13)
Hood mount
(p.231)
Filter thread
(front of lens) (p.231)
Focusing ring (p.69,120)
Zoom ring (p.34)
Zoom position index (p.34)
Image Stabilizer switch (p.35)
Focus mode switch (p.33)
Focusing ring (p.69,120)
Image Stabilizer switch (p.35)
Hood mount
(p.231)
Filter thread
(front of lens) (p.231)
Zoom ring (p.34)
Contacts (p.13)
Lens mount index (p.33)
Zoom position index (p.34)
Distance scale