Sigma 50-500 v 150-500 v Nikon 80-400?

Started Aug 18, 2014 | Discussions thread
exRhodesian Contributing Member • Posts: 710
Re: Sigma 50-500 v 150-500 v Nikon 80-400?

Rather than do / purchase an AF-Tuning outfit ( which many do ) I decided to rather get the technical guys at Nikon to fine-tune the focusing and they did an excellent job having the proper computerized systems as well as training. If I had attempted it myself not only am I certain the AF wouldn't have been spot-on but I also would never have known about certain lenses requiring to have Lens Firmware Upgrades done on the lenses themselves as seen here :

two of which I have . I'm glad I got Nikon to rather do the AF-Tuning.



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