Hama Filter Adapter Ring, Lens Ø: 46,0 mm, Filter Ø: 52,0 mm 00014652 Item Type: Filter Adapter Ring - to mount filters or other attachments to lenses with various mounting sizes - precision metal ring with matt black surface - warning: small filters on large lenses can result vignetting - especially in strong light or wide angles Adapter Thread 52,0 mm Camera/Lens thread 46,0 mm