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FotoDiox Macro Extension Tube/Ring Kit For Canon EOS EF Mount DSLR & SLR Camera.
They are manual Tubes and while you are using them, you need to do all setup manually.Features: Canon Mount, for all Canon EOS EF DSLR & canon EOS EF 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. 7mm tube (Tube 1) 4. 14mm tube (Tube 2) 5. 28mm tube (Tube 3) Please note: 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,
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