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.com : Fotasy Leica M Mount Lens to L Adapter, Copper, LM Lens Adapter to L Mount, Compatible with Panasonic S1 S1H S1R S4 S5 Leica SL SL2 TL2 TL Leica T
Amazon.co.jp: Leica LEICA L-Mount (Bayonet Type) Lens Rear Cap, Set of 3, Panasonic Lumix S Sigma Fp Lens Compatible : Electronics