Canon RF 24-70mm F2.8 L IS USM Instructions Manual page 6

Nomenclature
Hood mount (→ 12)
Filter mounting
thread (→ 13)
Control ring (→ 9)
Focusing ring (→ 7)
Image stabilizer switch (→ 10)
For detailed information, reference page numbers are provided in parentheses (→ **).
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Zoom ring (→ 7)
Focus mode switch (→ 7)
Lens mount index (→ 6)
Zoom position index
(→ 7)
Zoom ring lock lever
(→ 8)
Rubber ring (→ 6)
Contacts (→ 6)
Lens mount (→ 6)
ENG-5