paulski66 Offline Upload & Sell: Off
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I find the af on the d750 to be better, yes...faster and more accurate.
But I guess my question would be: what are you shooting with just a Sigma 50 ART that would require faster AF? If you're shooting action, I imagine putting the money toward a lens more suited to that purpose might find you larger gains. The 50 1.4 ART is no speed demon AF-wise (as most wide-aperture lenses aren't).
I have noticed no appreciable boost in AF speed with either of my Sigma ART lenses, but then, I haven't really been looking. The 24-70 and 70-200 are faster, however.
ETA: That said, my old d600 did a very solid job shooting sports and dance. The d750 is a bit better from an AF perspective, but the d600 was no slouch, either.
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