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F-NEX adapter will adapt Nikon Ai-s, AF-S G series lenses (such as 12-24mm AF-s) to Canon EOS EF mount cameras. Such as 6T, 50D, 60D, etc.  

Adapter has aperture control ring. Please note that this is a plain adapter without a chip for focus confirmation. 
Compatible with both Nikkor AF-S G lens &  F lens (include non-AI & AI lens mounts). Nikon AF-G lenses don't have aperture ring. Most of AF-G lenses have built it motor. 
All metal structure Allows focus to infinity.