DPReview: Nikon unveils AF-S Nikkor 500mm F4 and 600mm F4 full-frame lenses

Nikon has announced a pair of super telephoto FX prime lenses: the AF-S Nikkor 500mm F4E FL ED VR and 600mm F4E FL ED VR. Both are significantly lighter than the versions that preceded them and each use an electromagnetic diaphragm for more consistent exposure control during burst shooting. Read more

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