Amazon.com : 52mm Macro Lens Reverse Ring Compatible with for Nikon D1,D1H,D3,D3X,D3s,D4,D200,D300,D300S,D700,D40,D50,D40X,D90,D7000 Camera and with 52mm Filter Thread Lens.Macro Shoot(52mm-Ai) : Electronics
Amazon.com : Nikon D50 DSLR Camera with 18-55mm f/3.5-5.6G ED AF-S Zoom Nikkor Lens (OLD MODEL) : Electronics