1.4x telephoto extender for multiplying focal length of Canon 135mm or longer lenses
Fits all 135mm or longer fixed focal length lenses and some 70-200mm telephoto lenses
Preserves autofocus on any EOS camera when combined with f/4 or faster lens
Weather-resistant construction and improved anti-reflective surfaces in the barrel
Measures 2.9 inches in diameter and 1.1 inches long; weighs 7.8 ounces
