Macro Extension Tube Set for NikonThis auto-focus macro extension tube set is specifically designed for Nikon DSLR and SLR cameras. It is used by attaching between camera body and lens of the 35mm single-lens reflex camera. Set includes 3 tubes which can be used individually・ or in combination to achieve the desired magnification from totally 7 different length combinations. It is designed with all the proper circuitry and mechanical coupling to maintain auto-focus and TTL.AE (Through-the-Lens・ Automatic Exposure) with most Nikon mount lenses. Perfect for flowers・ insects・ coins・ stamps・ and any close-up shots you want to take. It includes 12mm・ 20mm and 36mm tubes. Features:
￠ The AF Extension Tube Set can transform your lens into a Macro Lens￠ It moves the lens from the film or digital sensor. The closer the focus is・ the greater the magnification￠ The extension tube does not affect image quality as there is no optics inside. In comparison・ a close up filter is often blamed for degrading the quality of image.￠ Used by attaching between camera body and lens of the 35mm single-lens reflex camera￠ Comes as a set of tube of different lengths which singly or in combination makes it usable in 7 different lengths￠ It couples perfectly with the camera's automatic diaphragm ￠ Maintains the picture quality of the camera lens by using no degradative optical elements.￠ Made with electrical contacts to allow DSLR cameras to use autofocus and TTL auto exposure as well as enabling the camera to control the aperture of the attached lens￠ Configuration: Engineering plastics material + metal bayonet・ perfect match with Nikon DSLR camera and lens This auto-focus macro extension tube set is specifically designed for Nikon DSLR and SLR cameras:Such as D300・ D300S・ D600・ D700・ D800・ D800E・ D3100・ D3200・ D5100・ D5200・ D7000・ D7100・ etc.