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DEALING WITH ABNORMALITIES
WARNING
Should any of the abnormalities described below occur, immediately dismount the lens from the camera and contact
Canon’s representative or the dealer listed below.
• Smoke, fumes, or unusual noises
• Entry of foreign objects (such as liquid or metal objects) inside the product
MAINTENANCE AND INSPECTION
WARNING
Be sure to disconnect the cable and remove the lens from the camera before cleaning outside of the lens. Do not use
benzene, thinner, or other ammable substances to clean the product. Otherwise it may cause a re or electric shocks.
NOTE
1. Clean off any dust on the lens surface using a lens blower or a soft lens brush. In case of getting ngerprints or stains
on the lens, use a clean cotton cloth moistened with commercial lens cleaning uid, or use lens cleaning paper. Gently
wipe in a spiral pattern from the center of the lens. Be careful not to rub dust across the lens, which may scratch the
lens surface
2. Routine inspection about once a year is recommended, depending on the conditions and environment of use. Request
overhaul, if needed.
STORAGE
CAUTION
Always attach the lens cap, hood cap, dust cap or covers before storage. Storing the lens without the caps or covers
attached poses a risk of re if the lens concentrate light in direct sunlight.
NOTE
Immediately wipe off any moisture on the lens from misty or foggy environments, using a dry cloth. Seal the lens in
a plastic bag with a desiccant (preferably new) to prevent moisture inside. Otherwise it may cause the mold or the
malfunction of the product.
TO THE CUSTOMER
1. Canon shall bear no responsibility for damage resulting from improper operation of this product by the customer.
2. Canon shall make no guarantees about the product quality, functions, or operation manual and its marketability and
suitability for the customer’s purpose.
Moreover, Canon shall bear no responsibility for any damage, direct or incidental, that results from usage for the
customer’s purpose.
3. Canon shall make no guarantees about the results obtained using this product.
4. The product specications, conguration, and appearance are subject to change without prior
notice.
5. For further information on repairs, maintenance, or adjustments not mentioned in this operation manual, contact your
Canon dealer or your Canon sales representative.
6. Note that Canon may be unable to undertake servicing or repair of a product if it is modied without consulting Canon
or your Canon sales representative.
CANON INC.
30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo
146-8501, Japan
Canon Europe Ltd
3 The Square, Stockley Park, Uxbridge, Middlesex,
UB11 1ET UK
The copyright for this manual is retained by Canon
Inc.
Unauthorized copying or reproduction in whole or
part is prohibited.
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