AF Fine Tune Results and Lousy Lens

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alaska_av8r
alaska_av8r Regular Member • Posts: 177
AF Fine Tune Results and Lousy Lens

My Sig 14x24, 150x600 and Nikkor 80-400 all have minimal spread between values at short vs long focal lengths.  The 80-400 for example is about 5 units.

However my Nikkor f2.8 24x70 AFS ED is a +10 at 70mm and a -6 at 24mm for a total of a 16 unit spread.  Now is it too much to expect such an expensive lens to have a smaller margin than that?

tim

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 alaska_av8r's gear list:alaska_av8r's gear list
Nikon D850 Nikon AF-S Nikkor 80-400mm f/4.5-5.6G ED VR Nikon AF-S Nikkor 600mm F4E FL ED VR Nikon 24-70mm F2.8E ED VR Sigma 14-24mm F2.8 DG HSM Art +7 more
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