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The statement 'In addition, the F4's support of the two special F3AF lenses now permits it to work with new Nikon SWM lenses that were designed long after both the F3 and F4 ceased production.' is not right. The F3AF contacts and protocol is completely incompatible with AF-S lenses[1]. The reason that the F4 works with AF-S is that when it released the camera, Nikon already had the AF-I lenses in the roadmap (released 1992, four years before the F5), so the F4 was designed to use them. AF-I and AF-S use the same protocol. --Bobn2 (talk) 11:11, 6 April 2020 (UTC)Reply