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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, wardrobe, 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 damage to the lens. Be sure to
read the instructions that came 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.