Olympus BCL-15mm f8.0 Body Lens Cap for Olympus/Panasonic Micro 4/3 Cameras (Silver) 15mm focal length 30mm equivalent focal length on Micro Four Thirds cameras F8.0 maximum aperture; F8 minimum Manual focus only 0.30m/11.81" minimum focus Micro Four Thirds mount for Micro Four Thirds interchangeable lens cameras