JJC ALC-G1X Professional Auto Lens Cap For Canon G1X " Opens and closes Automatically" jjc Professional Auto Lens cap for canon G1X Opens and closes automatically lightweight , durable JJC Lens cap For Canon G1X Camera , Auto open and close . Opens and closes Automatically in sync with lens movement. A new optional lens cap has been developed utilizing hinges, it opens and closes with the expansion and retraction of the lens. High Quality