The Nikon AF-S NIKKOR 400mm f/2.8E FL ED VR Lens is an advanced telephoto lens featuring a bright, fast f/2.8 maximum aperture to benefit its use in difficult lighting conditions. The lens construction incorporates two fluorite elements and two ED (extra-low dispersion) elements, which help to minimize the overall lens weight and significantly reduce chromatic aberrations throughout the aperture range. Also improving image quality, a Nano Crystal Coat has been applied to lens elements to minimize ghosting and lens flare for maintained image contrast, clarity, and color neutrality.

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