Canon EOS M Instruction Manual page 28

Nomenclature
EF or EF-S Lens
(Lens with focus mode switch and Image Stabilizer switch.)
* To attach an EF or EF-S lens to the camera, Mount Adapter EF-EOS M is
required.
Filter thread
(front of lens)
Zoom ring
Focusing ring (p.117, 126)
Mount Adapter EF-EOS M
EF Lens mount index EF Lens mount index EF Lens mount index
EF-S Lens mount index EF-S Lens mount index EF-S Lens mount index
Lens release lever Lens release lever Lens release lever
Tripod mount
screw
Tripod mount
28
Hood mount
(p.45)
Tripod mount knob
Tripod socket
Zoom position index (p.45)
Distance scale
Contacts
Lens mount index
Camera lens
mount index
Contacts
(camera side)
(p.19)
(p.44)
Contacts
(lens side)
Tripod mount socket