RAYQUAL LR-LA and SHOTEN N.F-L.SL mount adapter set. - Brand: RAYQUAL - Model: LR-LA - Brand: SHOTEN - Model: N.F-L.SL Mount adapters that can be attached to Leica and Sigma L-mount bodies. Both were used with the SIGMA FP-L. The Rayqual is for Leica R mount lenses, and the SHOTEN is for Nikon F mount lenses. mount adapter Sigma SIGMA FP L mount Leica R Lens Nikon F mount