a. The zoom lens should never be taken apart by the operator. The zoom
lens is a delicate item. The lens should never be cleaned with a cloth and
even lens tissues or special lens cloths should only be used for stubborn
smears that cannot be blown away with a blower or compressed air. If you
should use them be sure not to grind the dirt into the delicate coating on
b. Never touch the lens and always use the lens cap when the camera is
not in use. The exterior surface of a zoom lens can be wiped clean with a
soft brush, but not the lens itself.