Then, attach the lens and the Tele Converter to the camera body. Only one tele converter can be used at one time.Īttaching the APO Tele Converter to the Lensįirst, attach the APO Tele Converter EX to the master lens. Cannot be used in combination with another APO TELE CONVERTER EX DG or other manufacturer’s converter.Cannot be attached to a camera and lens whose mount is different.SIGMA APO Tele Converter 1.4x and 2x are dedicated to Tele Converter lenses, which should be used with only listed lenses.