The LC-37C Auto Open Lens Cap from Olympus protects the front element of your M.Zuiko Digital ED 14-42mm f/3.5-5.6 EZ lens against scratches, dings, dust, dirt and moisture when not in use. The cap opens automatically when the camera is powered on, allowing you to shoot without removing it, thus saving you a step and helping to ensure that you don't misplace or lose your cap. It will also close automatically when the camera is powered off.f the lens, preventing damage to the lens while not in use, and has the Olympus name on the front.