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PRECAUTIONS AND LENS MAINTENANCE
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1. Storage and mildew prevention
• Take the lens out of the protective case or camera bag, and store it in a dry,
well-ventilated place.
• Avoid storing the lens in a poorly ventilated location such as a closet, ward-
robe, drawer, vehicle, or where insect repellent or medicine is kept.
• Avoid storing the lens in areas of high temperature and humidity, where there
is a risk of mildew growth.
Store the lens with a desiccant in a dry cabinet, airtight container, or plastic
bag. (Leaving a saturated desiccant in the storage container can cause dam-
age to the lens. Be sure to read the instructions that come with the desiccant
before use.)
2. The lens is not waterproof. When using the lens in a rain or mist, be careful
not to allow it to get wet.
3. Never use any organic solvent such as thinner, alcohol, or benzine, etc. to
remove dust on the lens.
4. The lens is a precise optical instrument. Be careful not to let it fall, or subject
it to strong shocks or pressure. Use a cushion or similar pad to protect the
lens from the vibrations of motorcycles or other vehicles, boats, etc.