Description: Professional-quality tele-converters to extend the range of your lenses. Using the compact SAL-20TC tele-converter lens, you can extend the photographic range of your primary lens by 2X-allowing you to cover more distance and capture more subjects without the burden of extra equipment. Designed to support the G Series 70-200mm f/2.8 G Telephoto Zoom and G Series 300mm f/2.8 G Telephoto lenses as well as the unique Sony 135mm f/2.8 STF (Smooth Transition Focus) lens.