Amazon.com : Fotasy Leica R Mount Lens to L Adapter, Copper, LR Lens Adapter to L Mount, Compatible with Panasonic S1 S1H S1R S4 S5 Leica SL SL2 TL2 TL Leica T
Amazon.co.jp: SHOTEN Mount Adapter NFG-LSL (Nikon F-Mount (G Type Compatible) Lens to Leica SL.L Mount Convert) with Aperture Ring : Electronics