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Review title: You gotta have protection
Product review: The Canon rear lens cap is included with the purchase of your EF lens, extension tubes, and tele-extenders. If you happen to lose the lens cap, you need a new one. This protects the rear elements from damage while your lens tele-extenders, or extension tubes are off the camera. To save some money, look for anoff brand versionat a local camera shop. There are no special parts to this cap. Don't risk damage that will end up costing more than a replacement cap.PROS:Protects your equipmentCONS:Expensive for a piece of plastic (but you gotta have protection.)
