teleconverter lens 1.its easily for lens and camera body 2.high quality and elobarate craft. teleconveter lens description :lens diameter :55mmuv diameter :67mmtwo elements ... and two groupsWe research and development digital wide angle lens .teleconverter lens etc cooperation with professional Japan company ..it is spread ... ,43mm,46mm,52mm,55mm,58mm,62mm,67mm,72mm teleconverter lens for photographic