1.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
2.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
3.Use this set will not downgrade the optical quality of your lens. Sharpness and Saturation can be still maintained. But they are not meter-coupled
4.Automatic lenses can be used with their widest open aperture only,
5.Compatible with :
Nikon D3000,D3100,D3200,D3300,D5000,D5100,D5200,D5300,D7000,D7100,D7200,D300,D600,D610,D700,D800,D3X,D4,D4S,DF Digital SLR Cameras
