Canon CN-E50mm T1.3 L F Betriebshandbuch - Seite 6
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MAINTENANCE AND INSPECTION
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.
STORAGE
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.
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.
E4
CAUTION
NOTE