Canon 1.4X Extender EF III

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon Extender EF 1.4x III
Image Circle 35mm
Type Teleconverter
Focal Length Multiplier 1.4X that of the master lens
Effective Reduction in Aperture 1 f-stop
Lens Construction 7 elements in 3 groups
Closest Focus Same as that of master lens
Magnification Ratio 1.4X that of master lens
Dimensions(Length x Diameter) 27.2mm x 72.0mm / 1.1 in. x 2.8 in.
Weight 225g / 7.9 oz
Typical Online Price US$500 (Avail December 2010)