@Dangermouse1964 ; why would you revert to v1.11? Did you have problems with v1.12?
@StewartR may very well be correct. Nikon isn't going out of their way in a next firmware, if there is one, to fix third party accessories. Sigma offered to fix with a lens firmware update. I filled out a...
This firmware v1.13 has rendered the auto-focus on both my Sigma 150-500mm f/5-6.3 DG OS HSM APO AF and 70-200mm f/2,8 ll EX DG APO MACRO HSM AF lenses inoperable. Response from Nikon: "Thank you for contacting Nikon. It' a pleasure assisting you. When we update our firmware's we make multiple...
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