Neewer 12mm, 20mm, 36mm Black Auto Focus Macro Extension Tube Set for Nikon SLR cameras and Nikkor AF, AF-S, D, G and VR lens series (Metal) Material: Brass Chromed and ABS(Acrylonitrile Butadiene Styrene), color : black Compatible with: Nikon SLR and Nikkor AF, AF-S, D, G and VR lens series /such as Nikon D53, D5, D3, D32, D51, D52, D31, D7, D71, D4, D8, D8E, D6, D61, D4, D4x, D5, D6, D7, D8, D9, D1, D2, D3, D3, D3S, D7 This extension tube consists of 5 parts: 12mm tube, 2mm tube, 36mm tube, Front Cap, Rear Cap With cameras of TTL.AE(Through-the-Lens,Automatic Exposure) type it gives perfect coupling except when combined with electronic flash AE unit. new and high quality