K&F Concept Lens Mount Adapter,Nikon/Nikkor AI/F mount Lens to Nikon 1-Series Camera, Fits for Nikon 1 J1 J5 S1 V1, Nikon-Nikon 1 adapter ring

SKU: KF06.079

Q
Will this work from my nikon d3100 lens to my sony a7 body?
Answer Question
A
Nope, it’s to adapt to the smaller Nikon 1 (CX) mount of the 1 series camera, not the F mount (your D3100) on crop and full frame Nikon’s.