Abstract: This Canon Extender 1.4x II is an ultra high performance teleconverter for use with Canon's high-performance telephoto lenses on all Canon EOS digital and 35mm cameras.It multiplies your focal length by 1.4x and makes your effective aperture one stop less...
Abstract: Of course, the question all of you will be asking is: how does the 200mm ƒ/2.8 with the 1.4x Extender attached, compare with the 300mm ƒ/4L IS USM? The irony is that we haven't yet tested that lens, but we've put it on our list to review s...
Abstract: The Canon Extender EF 1.4x II is an easy and relatively affordable way to extend the reach (focal length) of compatible Canon L Series lenses with very little degradation in the final digital picture. What does the 1.4 do? It multiplies the focal leng...