Owner's Manual

See your camera's instructions for instructions on
mounting and detaching the lens.
• After detaching the lens, attach the dust cap to
the rear of the lens to prevent the contacts and
lens from getting scratched.
• If the contacts are dirty, scratched, or soiled with
fingerprints, etc., corrosion
ora faulty
connection or operation may result.
• Always attach the
dust cap to the lens when the
lens is not mounted on the camera.
To attach
the dust cap, align the mark on the dust cap
with the mark on the lens and turn the dust cap
clockwise.
To remove the dust cap, turn it
counter-clockwise.
11-4
o The lens mount has a rubber ring for enhanced
water- and dust-resistance. The rubber ring may
cause slight abrasions around the camera's lens
mount, but this will not cause any problems. If the
rubber ring becomes worn, it is replaceable by a
Canon Service Center
at cost.