Lens Adapter Mount for Pentax K PK Lens to Samsung NX Mount Camera NX10 NX11 NX5 | eBay
FotodioX Pro Canon EF Lens to Samsung NX-Mount Camera EOS-NX-PRO
Metal M42 Screw Lens to Samsung NX Mount Adapter Ring NX5 NX10 NX11 NX100 NX200 | eBay
Amazon.com : Vizelex ND Throttle Adapter from Fotodiox Pro - Nikon G (FX, DX & Older) Lens to Samsung NX Camera Adapter (Such as NX1, NX3000, NX30, NX300M) - with Built-in Variable