Panasonic DMW-STC20 Lumix S 2x TeleconverterExtend the reach of select L mount lenses with the DMW STC20 Lumix S 2x Teleconverter from Panasonic. This teleconverter magnifies the image by 2x and retains full communication between the lens and camera body, enabling metering, autofocus, and image stabilization as well as the transmission of Exif data. Its optical design incorporates a pair of ultra high refractive index elements, too, in order to maintain high sharpness and accurate rendering.