CANON Extender EF 2x II Teleconverter lens

CANON Extender EF 2x II - The effective aperture of the lens is increased by one stop. Autofocusing does not operate if the effective maximum aperture is greater than f/5.6 (greater than (...) See more See less

f/8 on the EOS 1V and EOS 3). This extender is compatible with the following lenses: EF135mm f/2 L USM EF180mm f/3.5 L MACRO USM EF200mm f/1.8L USM EF200mm f/2.8 L II USM EF300mm f/2.8 L IS USM EF300mm f/4 L IS USM EF400mm f/2.8 L IS USM EF400mm f/5.6 L USM EF500mm f/4.5 L USM EF500mm f/4 L IS USM EF600mm f/4 L USM EF600mm f/4 L IS USM EF1200mm f/5.6 L USM EF70-200mm f/2.8 L USM EF70-200mm f/2.8 L IS USM EF70-200mm f/4.0 L USM EF100-400mm f/4.5-5.6 L IS USM Features : • Dust and moisture resistant construction • Extends the master lens focal length by 2x • Minimum loss of lens performance • Reduces inner reflection for higher image quality The new version II maintains the outstanding optics of the previous version, and adds enhanced weather-resistant construction, and improved anti-reflective surfaces in the barrel Product Specification : • Lens construction (elements/groups) : 7/5 • Max. diameter x length (mm) : 71.8 x 57.9 ÃÆâ₠(Description excerpted from: Camera King)