Imaging recource: Nikon announces faster-focusing, lighter 500mm, 600mm f/4 lenses

Nikon photographers, be prepared to empty your wallets — and maybe your life savings. Nikon has announced two new super telephoto lenses, the AF-S NIKKOR 500mm f/4E FL ED VR and AF-S NIKKOR 600mm f/4E FL ED VR. Both lenses share a number of similar or identical features, most notably improved autofocus tracking, better optical performance, and a considerable reduction in weight for both models. To reduce weight, Nikon has used a lighter magnesium alloy for the frame of the lenses, taken out unnecessary metal components, and implemented a number of Fluorite...
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