Canon introduces the CJ20ex7.8B, a 2/3” portable 4K zoom lens for professional broadcast, offering a 20x zoom ratio and focal-length range from 7.8mm to 156mm. This new lens enables the creation of high-resolution, high-impact 4K video content for a variety of applications, including sporting events and news coverage, as well as documentaries and indoor and outdoor location shooting for serial dramas. zoom lens with the world’s widest focal length.