Canon EF 300mm f4L IS USM - Manual (Page 5)

ENG-4
• After detaching the lens,
attach the dust cap to the rear
of the lens to protect the
electrical contacts and lens
surface from scratching.
• If the contacts are dirty,
scratched, or soiled with
fingerprints, etc., corrosion or
a faulty connection or
operation may result.
• If the lens surface is dirty, the
lens may not autofocus
properly.
■ Attaching the lens to
the camera
Remove the lens dust cap
by turning it
counterclockwise.
Align the lens mount index
with the red dot on the
camera. Then turn the lens
clockwise until it locks in
place.
Remove the lens cap by
pressing both clasps.
■ Detaching the lens
Hold down the lens release
button on the camera and turn
the lens counterclockwise until
it detaches.
1. Attaching and
Detaching the Lens
1
2
3
AF MF
STABILIZER MODE 1
2
STABILIZER IO
CANON
STABILIZER MODE
STABILIZER
10ML_01_EF300 F4L IS_ENG 06.6.19 5:02 PM ページ 4