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Adapter to use MS-MAG x1.35, MS-MAG x1.15 or and other Leica viewfinder accessories including Leica Camera's diopter correction lenses and magnifiers on Nikon S2 RF cameras.
Magnifier screws into the adapter which is attached to the Nikon S2 eyepiece ring by means of three locking screws.
Only 20 made! (Tip on this adapter from Jon on the RFF)