AF fine tune and focus shift for fast lenses

Started Sep 12, 2016 | Discussions thread
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Ryan Mack Regular Member • Posts: 191
AF fine tune and focus shift for fast lenses

My understanding is that Nikon's AF system cannot take advantage of lenses faster than 2.8. Does that mean for a 1.4 lens that it is focusing based on where the lens focuses at 2.8? Specifically, it seems many 58 1.4 lenses need a significant positive fine tune adjustment at 1.4 and that lens is known to have a significant frontwards focus shift at 2.8. Is that causation or are they unconnected?

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