I do not normally get enough reach from using my 1.4 converter , and so my 2x virtually lives on my 300 . However I thought I would give the 1.4 ago on my 7D . My results are mixed but disappointing . I was using a tripod shutter speeds were good , and on occasion I stopped down to f.8 . Even though the A.F point was in the same place , a lot , and I mean a lot came out soft . Stuff that looked pin sharp through the viewfinder , was not so when I viewed them at home . I am guessing it`s going to be down to micro adjustment ? But why would some be sharp and some not ? I don`t trust it anymore.
And it`s a shame because I could shoot a little longer with that slightly wider aperture .
And it`s a shame because I could shoot a little longer with that slightly wider aperture .
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