Features: -Nikon F Mount, for all Nikon F DSLR &Nikon F SLR -It moves the lens farther from the film or digital sensor. The farther away the lens is, the closer the focus, the greater the magnification. -This extension tube does not affect image quality as there is no optics inside. In comparison, a close up filters are often blamed for degrading image quality. -Brand new, never used -Made of metal (not plastic) -color : black -Adjustable Length This extension tube consists of 5 parts: 1. Camera Body Mount Adapter 2. Lens Mount Adapter 3. 9mm tube (Tube 1) 4. 16mm tube (Tube 2) 5. 30mm tube (Tube 3) Remarks There are no electrical contacts in the extension tubes. Exposure has to be adjusted manually. Aperture control is not available if you use a lens which does not allow you to manually adjust the aperture (without an aperture ring). Macro extension tube is wonderful substitution to expensive macro lenses. It maintains original optical while transform the lens into a macro lens. It is far more desired then the add-on close-up lenses, which will alter the optical quality. The extension tube will work with all Nikon cameras, digital or film. Compatible Digital Cameras: All Nikon F Mount Camera (suchas:D4/D3/D600/D800E/D700/D300S/D300/D5200/D5100/D3200/D3100/D90/D7100/D7000..ect) Compatibile with: Nikon F DSLR & SLR Life size image is ensure with this set up. See details specification at the table below. Specs are based on 50mm f1.4 lens. -Tube Combination: Max Life/Image Ratio -Only mounting tubes with out extension tube: 1:0.34 -Mounting tubes + Tube 1: 1:0.48 -Mounting tubes + Tube 2: 1:0.62 -Mounting tubes + Tube 1&2: 1:0.76 -Mounting tubes + Tube 3: 1:0.90 -Mounting tubes + Tube 1&3: 1:1.04 -Mounting tubes + Tube 2&3: 1:1.18 -Mounting tubes + Tube 1,2&3: 1:1.32