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Canon EF 1.4x III (Teleconverter, Canon EF)
399.– CHF

Canon EF 1.4x III

Teleconverter, Canon EF

Questions about EF 1.4x III

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9 answered questions about EF 1.4x III

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rolandsütt

4 years ago

What is the difference between the two converters, factor 2x or 1.4 (apart from the magnification factor, of course). I would like to use the converter in combination with a Canon EF 70-200 / 2.8 IS USM and a Canon 80D. Which makes more sense? Best thanks

4 answers
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michaelköl

4 years ago

Helpful answer

As the previous speaker wrote: the 2x converter costs you more light and also some sharpness? If you need the focal length (200x2x1.6=520mm KB equivalent), then take the 2x. If you don't need it, then I would go for the 1.4x.
With the 2.8 output aperture you won't get problems with the autofocus that quickly. Two f-stops from 2.8 is 5.6 and that should not be a problem. There are overviews of which