This is a Canon EF 1.4x III Extender.
This Extender is in Excellent condition and in good working order. It increases the focal length of a lens by a factor of 1.4x while still delivering superb image quality. Cosmetically it looks great! It comes with both front and rear caps.
WE SHIP IN 1 BUSINESS DAY and we package professionally and will combine to save on shipping costs. We are also interested in BUYING your photographic equipment as well. We are Camera Exchange in Waterford Michigan.