Peace, mercy, and blessings of God be upon you, For sale is a very rare and distinctive piece for Nikon photography and technology enthusiasts and professionals: the original Nikon Lens Scope Converter (Made in Japan). 💡 Function of the piece: It converts any Nikon lens (Nikon F-Mount) into a high-quality telescope or monocular by simply attaching it to the rear end of the lens, giving you amazing optical zoom power based on the focal length of the lens used.