Extend the reach of your telephoto lens with this APO Teleconverter 1.4x EX DG from Sigma for Canon EF-mount cameras and lenses. This model will increase the focal length by about 40% while only losing 1 stop of light in the process. It also retains communication between the lens and camera, allowing users to use automatic metering and autofocus. Additionally, this teleconverter has a multi-layer coating that reduces flare and ghosting for sharp, clear imagery.
|Optical Design||5 Elements in 3 Groups|
|Light Loss||1 Stop|
|Length||0.75″ / 19.5 mm|
|Diameter||2.7″ / 68.5 mm|
|Weight||5 oz / 143 g|