Canon 4318C002 Instructions Manual

ENG-3Handling Precautionsz Do not leave the product in excessive heat such asin a car in direct sunlight. High temperatures cancause the product to malfunction.z If the lens is taken from a cold environment into awarm one, condensation may develop on the lenssurface and internal parts. To prevent condensationin this case, first put the lens into an airtightplastic bag before taking it from a cold to warmenvironment. Then take out the lens after it haswarmed gradually. Do the same when taking thelens from a warm environment into a cold one.z The lens interior may appear to waver, but thisdoes not indicate a defect or failure, and will notcause any problems in use.z In order to optimize aperture control, there areoccasions in which the aperture blades will moveduring zooming and focusing, even when theaperture value is set for aperture-priority AE ormanual exposure, etc.z Please also read any lens related handlingprecautions listed in your camera’s instructionmanual.General Precautions