sigma 500 f4.5 dg +kenko dgx pro1.4×

Started Mar 19, 2013 | Discussions thread
OP stefanoromei Junior Member • Posts: 35
Re: sigma 500 f4.5 dg +kenko dgx pro1.4×

Finally the lens is arrived.
Sigma500 is a very good lens with an high resolution a not so heavy.
On my 5dmk3 af works very fastly also with kenko1, 4x.
It works well with kenko2x too.
Iq remain very good.
Unfortunatly canon tc 1, 4III doesnt allow af.
Maybe with next firmware.
I tested all the tc also on 1d mk3 with same result.
I can raccomand this big sigma eg version

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