Automatic focusing on NX lenses is handled by a dedicated electric motor built into the lens.
Samsung NX lenses (with some early exceptions) include i-Function (iFn), which allows control of various camera settings via a ring and button on the lens.
Samyang Optics (Bower, Rokinon, Walimex) lenses for NX-mount include: Samsung announced plans to launch a 16-80mm f/3.5-4.5 OIS VCM (Movie Home) in December 2011.
Lensbaby announced the availability of its Composer Pro for NX mount with different optics.
[28] Due to long flange distance compared to other mirrorless systems, making a telecompressor adapter was more difficult, but in 2017 a crowdsourced NX-L appeared.