17
Lens Maintenance
Lens Maintenance
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Removing dust is normally sufficient to clean the glass surfaces of the lens.
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Smudges, fingerprints, and other oily stains can be removed using a soft, clean
cotton cloth or third-party lens cleaning tissue lightly dampened with a small
amount of ethanol or third-party lens cleaner; clean from the center outwards in a
circular motion. Be sure to clean evenly and thoroughly without leaving smears.
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Never use organic solvents such as paint thinner or benzene to clean the lens.
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Neutral Color (NC) filters (available separately) and the like can be used to protect the
front lens element.
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Do not store the lens in direct sunlight or with naphtha or camphor moth balls. If the
lens will not be used for an extended period, store it in a cool, dry location to prevent
mold and rust.
