Canon CN20 X 50 IAS H Betriebshandbuch - Seite 7
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WARNING
Should any of the abnormalities described below occur, immediately dismount the lens from the camera and contact
your Canon sales representative or dealer.
• Smoke, fumes, or unusual noises
• Entry of foreign objects (such as liquid or metal objects) inside the product
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 flammable substances to clean the product. Otherwise it may cause a fire 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 fingerprints or stains
on the lens, use a clean cotton cloth moistened with commercial lens cleaning fluid, 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.
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 fire if the lens concentrate light in direct sunlight.
NOTE
1. 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.
2. Before using the product with the separately available carrying case, contact your Canon sales representative or dealer.
Components such as adhesives used in the carrying case may have an adverse effect on the product.
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. The product specifications, configuration, and appearance are subject to change without prior
4. For further information on repairs, maintenance, or adjustments not mentioned in this operation manual, contact your
Canon sales representative or dealer.
5 Note that Canon may be unable to undertake servicing or repair of a product if it is modified without consulting Canon
or your Canon sales representative.
The copyright for this manual is retained by Canon Inc.
Unauthorized copying or reproduction in whole or part is prohibited.
DEALING WITH ABNORMALITIES
MAINTENANCE AND INSPECTION
STORAGE
TO THE CUSTOMER
notice.