L39 Leica Visoflex Screw Mount Lens to Nikon F Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
NIKON L39 52mm UV Filter - Made in Japan | eBay
Nikon L39 122mm Screw-In Filter «Nikon JAPAN»
Amazon.com : Compatible with for Leica L39 M39 39mm Mount Lens to & for Nikon 1 mirrorless Digital Cameras, Such as V1, J1, V2, J2, V3, J3, etc Camera : Electronics