Lightest and smallest tele zoom for full-frame mirrorless cameras. Get 300mm telephoto like an expert.The world's smallest and lightest telephoto zoom lens for Nikon full-frame Z-mount mirrorless camerasThe 70-300mm F/4.5-6.3 Di III RXD (Model A047) telephoto zoom lens for Nikon full-frame Z-mount mirrorless cameras is designed and created so photographers of all skill levels can enjoy high quality images comfortably. It covers a broad tele range yet is the world's smallest and lightest in its class, coming in at 5.8 in long and weighing just 19.2 oz. The 70-300mm RXD is a versatile lens for photographing landscapes, action, pets, and wildlife.A high-resolution telephoto zoom lens for Nikon Z-mount mirrorless cameras that is powerful, portable, and funTo make the 300mm telephoto focal length more fun and accessible, Tamron focused intently on designing a telephoto zoom lens that's both small and lightweight. Turning the conventional concept of a telephoto lens on its head, the 70-300mm F4.5-6.3 is only 148mm (5.8 in) in length with a maximum diameter of 77mm and a weight of just 545g (19.2 oz). This gives users the freedom to concentrate fully on shooting without worrying about lens size or weight. In addition to those wishing to pursue real telephoto shooting for the first time, the lens is also recommended for people who use cameras that have built-in image stabilization because they can leave the tripod at home. Of special significance