All Nikon cameras and compatible lenses have the same bayonet mounting system, which gives them a universal Nikon fit. Nikon has had an "F-style" mount that is unique to Nikon cameras and lenses since 1959. The F-mount contains the electrodes necessary for auto-focus lenses to communicate with the camera body, as well as the camera to take accurate light readings through the barrel of the lens.
Any Nikon digital single-lens reflex camera is compatible with the Tamron 300mm F2.8 auto-focus lens, as long as the lens has a Nikon-style mount. Any other type of mount will not work with a Nikon camera unless you have an adapter.
Nikon Lens Mounts
Tamron makes what's known as a "third-party" lens. It, Sigma and Tonkina are the most popular among such lenses, and all three companies produce a variety of lenses for all the camera brands as their primary business. Tamron is a Japanese-based company founded in 1950. Tamron lenses are typically less expensive than Nikon or Nikkor brands, but may not be as of high a quality.
Tamron's fixed 300mm lens is a telephoto lens with an large aperture, meaning that users can get better photographs in low-light situations. This lens is a good choice for advanced amateur photographers who want to shoot nature and wildlife or sports in natural light. This is a big lens that weighs about 5 lbs. and is about 8 1/2 inches long.
To attach the Tamron 300mm lens to your Nikon SLR, hold the open end of the lens against the opening on the camera body. Line up the small black dot on the end of the lens with the same style dot on the camera face. Turn the lens counterclockwise to slide it into the mounting grooves. Continue twisting until the lens clicks into place.
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