Amazon.com : FocusFoto C Mount CCTV/Cine Movie Lens to Nikon 1 J1, J2, J3, J4, J5, S1, S2, V1, V2, V3, AW1 Mirrorless Camera Body Adapter Ring : Electronics
K&F Concept M12201 Canon EF Lenses to Nikon 1 Lens Mount Adapter - KENTFAITH
Lens Adapter - Contax G RF Lenses to Nikon 1-Series Cameras – Fotodiox, Inc. USA
Amazon.com : Nikon FT-1 F-Mount Adapter : Digital Camera Accessory Kits : Electronics
RafCamera Kiev-16U lens to Nikon 1 camera mount adapter for $49
T2 N1 T Mount Lens Adapter and M42 to 1.25" Telescope Adapter (T-Mount) for Nikon 1 Series Camera V1 V2 V3 J1 J2 J3 J4 J5