The Canon Lens Cap for EF 8-15mm f/4L Fisheye USM Lens is a dedicated plastic lens cap for the 8-15mm f/4L fisheye lens. The lens cap protects the front element of the lens when it's not in use.
★★★★★ Perfect fit for my EF 8-15mm fisheye lens. It stays securely on and protects the front element when not in use. Exactly the dedicated cap I needed.