This spare or replacement lens cap is designed to fit the Canon RF 5.2mm F2.8L Dual Fisheye lens, protecting its front elements from dirt, fingerprints, and accidental damage. The lens cap fits securely to ensure it stays in place but is also easy to remove quickly when youre working under pressure. Its made from tough, durable plastic. Benefits Protects front elements from dirt and accidental damage Tough, lightweight design Designed specifically to fit the RF 5.2mm F2.8L Dual Fisheye lens Easy to remove quickly when youre working under pressure What\'s in the box Lens Cap 5.2 Compatibility RF 5.2MM F2.8 L DUAL FISHEYE