*Mildew is an enemy of your lens. Clean the lens after shooting near water or in any humid place. Store your lens in a clean, cool and dry place. When storing the lens in a lens case, store it with commercially available drying agent such as sili- ca gel, and change the agent occasionally. If you find mildew on your lens, con- sult an authorized repair shop or nearby photographic store.
*Do not touch the
*When using your equipment in an environment where the temperature changes from one extreme to the other, make sure to put your equipment tem- porarily in a case or plastic bag for a length of time in order to go through a gradual temperature shift. This will reduce potential equipment trouble.