Canon EF-S17-85mm f/4-5.6 IS USM Instructions Manual page 4

Nomenclature
Focus mode switch
(→ 4)
Hood mount
(→ 9)
Filter mounting
thread (→ 8)
Zoom ring (→ 5)
Image stabilizer switch (→ 6)
For detailed information, reference page numbers are provided in parentheses (→ **).
ENG-3
Zoom position index
Focusing ring (→ 4)
Distance scale (→ 5, 8)
Contacts (→ 4)
Lens mount index (→ 4)