The Blackmagic Pocket Cinema Camera 6K features an active EF lens mount that’s designed to work with a massive number of high quality photographic and video lenses from manufacturers such as Sigma, Zeiss, Canon and others. You can use extreme zoom lenses, high speed lenses and lenses with image stabilization. The combination of EF lenses with the 6K Super 35 sensor lets you shoot with shallow depth of field and gives you virtually unlimited creative choices!