Canon 2x Extender EF III

Lens Reviews / Canon Lenses i Lab tested
Lens Specifications
Name Canon Extender EF 2x III
Image Circle 35mm
Type Teleconverter
Focal Length Multiplier 2X that of the master lens
Effective Reduction in Aperture 2 f-stops
Lens Construction 9 elements in 5 groups
Closest Focus Same as that of master lens
Magnification Ratio 2X that of master lens
Dimensions(Length x Diameter) 52.7mm x 72mm / 2.1 in. x 2.8 in.
Weight 325g / 11.5 oz
Typical Online Price US$500 (Avail December 2010)