The new optical arrangement, including two fluorite front elements, reduces the overall weight to 3800g, compared to 4620g for its predecessor, for more balanced handling.AF-S Nikkor 400mm f/2.8E FL ED VR Specification: Fluorite elements for a lighter lensThe new Nikkor 400mm f/2.8E FL ED VR is a Nikon full frame FX mount lens for use on pro Nikon bodies, such as the D4. With a price tag of €12,379 it is certainly the preserve of professional sports and new photographers, who demand the very best optical performance, construction and features. The maximum lens aperture of f/2.8 ensures