E-GOO Macro Extension Tube For Nikon D5000,D90,D80 ,D200 , D70S , D1 Series , F Series This extension tube is consists of 5 parts: Camera Body Mount Adapter 2. Lens Mount Adapter 3. 9mm tube (Tube 4. 16mm tube (Tube 2) 5. 30mm tube (Tube 3)