The new sony fit sigma 14x ex dg teleconverter mkii is capable of maintaining the hsm hyper sonic motor function of such telephoto lenses as sigmas apo 70 200mm f28 ii ex dg macro hsm and apo 50 150mm f28 ii ex dc hsm whilst increasing the focal length by a factor of 14x the super multi layer coating reduces flare and ghosting and the exclusive design maintains the master lens high level performance while extending its focal length compact and lightweight these tele converters are a