K&F Lens Adapter Pentax K/DA - EOS R

K&F Lens Adapter M42 - Fujifilm GFX

Kiwi Photo Lens Mount Adapter NK(G)-EM

K&F Lens Adapter Nikon F (G-type) - Leica L

K&F Lens Adapter Tamron Adaptall - Canon EOS (EF / EF-S)