Canon Extender EF 2X IIIdeal for shooting close-ups from a distance at sporting eventsTelephoto extender designed to double Canon EF lens focal lengthIncludes: Front and rear Lens CapsSelling normally used at much higher pricesCanon Camera EOS 600D optional and available at R5380Canon Super Zoom Lens EF 100-400mm, 1:4:5-5.6 L IS Optional available at R10850