7D and 1.4 extender

Started Apr 11, 2010 | Discussions thread
Magnus3D Regular Member • Posts: 112
Re: 7D and 1.4 extender

I have a 7D with the 70-200/4 and a 1,4x II extender and i have shot in both good outdoor lighting and poor indoor lighting and the 7D has so far always managed to autofocus on the subject i wanted without struggling once ..so far.

What i expected was far more trouble with the extender mounted but no, not even much drop in sharpness and quality, just some vignetting added in the corners but that can easily be reduced.

/ Magnus

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Canon EF 85mm f/1.8 USM
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