FTZ adapter firmware update broke autofocus on 18-35mm D?

Started 3 months ago | Questions thread
Freedolin Contributing Member • Posts: 538
Re: FTZ adapter firmware update broke autofocus on 18-35mm D?

You might think it's logical, but it's misleading, because it leads people to believe that the -D designation tells you something about AF

No, because it wasn't meant as an explanation of all those abbreviations for new users of the system, but as a (fairly typical) abbreviation used by those already familiar with the system.

The list is also incomplete. If we wanted such a list, to incorporate both the type of AF and the type of diaphragm control, it might look like this:

  • AF
  • AF D
  • AF G
  • AF-I D
  • AF-S D
  • AF-S G
  • AF-S E
  • AF-P G
  • AF-P E

Well, ok, it doesn't make things any less complicated, but still: even on that list, an 'AF D' lens is a screw-driven lens

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