The Kenko-Teleconverter magnify telelenses to the factor of 1.4. It's qualitity is excellent. The Converter is optimized for following digital cameras: Canon EOS 50D, 40D, 30D, 20D, 10D, 1000D, 550D,500D/ 450D, 400D, 300D, 5D, 5D Mark II, 7D, 1D Mark II, 1D Mark III . Not compatible to Canon EOS 350 D and EOS Digital Rebel XT.

Usefull for focal distance 50 mm and more.

Ready for use with Canon EOS-Cameras and lenses like EF-lenses, not compatibel with EF-S-lenses.

Please notice: Cameras made in 2007 in combination with Canon EF 50mm f 1.8 stop the autofokus during work with the converter, please start manuell focussing. During high zooming and lenses with open aperture 5.6 and more you´ll get no more autofocus and correct Exif-data file (especially the aperture).