Amazon.com : K&F Concept Lens Mount Adapter,Nikon F Mount Lens to Nikon 1-Series Camera, for Nikon V1, V2, J1, J2 Mirrorless Cameras : Electronics
Fotga Lens Adapter For Canon EF EF S Lens to Nikon 1 S1 J1 J2 J3 J5 V1 V2 V3 V5 Camera|Lens Adapter| - AliExpress
Metabones®
Amazon.com : K&F Concept Lens Mount Adapter,Nikon F Mount Lens to Nikon 1-Series Camera, for Nikon V1, V2, J1, J2 Mirrorless Cameras : Electronics
Built-in Aperture Tripod EF MOUNT Lens to Nikon 1 N1 mount J2 J3 V3 S2 adapter | eBay
Amazon.com : Metabones Nikon G to Micro Four Thirds Speed Booster XL 0.64x : Electronics
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 - Amazon.com