The Lente AF-S 600mm F/4 D and II of Nikon is a telephoto lens for professional use with exceptional performance, starting from its structure, characterized by the solidity and lightness of the magnesium alloy body which makes it particularly easy to handle and at the same time resistant. The TRIGUPHE mounting foot is integrated into the body, transport is easy and it is easy to manage it in situations of action, even the most demanding. Nikon's exclusive Silent Waves engine provides automatic focus at very high speed, precision and extremely silent operation. This system integrated in many other lenses and telephoto lenses for professional use, adds performance of the recovery of significant images. The M/A mode allows you to instantly pass from manual focus to automatic and deputy pour, without the slightest delay, also with the AF active system. The speed from the transition between manual focus to automatic can make the difference between a clear image and a slightly blurred. The design of the optical group has three main elements with glass and extra low dispersion and high performance, to control secondary chromatic aberrations. With this telephoto lens it is possible to create very sharp images and with a high contrast on the entire range of focus and each F/Stop. The glass and highly performing ensures a sharp focus throughout the color spectrum. With a focal length 600mm long, the maximum opening is f/4 while the minimum f/22. The diaphragm consists of 9 lamellae and the optical group is made up of 10 elements in 7 groups, 3 of which ed. The front element does not rotate and the minimum distance for focusing is 5.6 meters. 432mm x 168mm for 4.8 kg.