Nikon 300mm f2.8G ED VR II is an Auto Focus (AF) Telephoto Prime lens with 35mm FF max sensor coverage. When mounted on a 35mm FF sensor camera, it will give you an FF equivalent focal range of 300mm. With a max aperture of f2.8, this is a fast lens.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Nikon 300mm f2.8G ED VR II is weather sealed which makes it an ideal lens for outdoor use, especially when coupled with a weather sealed camera body. Nikon replaced the older Nikon AF-S Nikkor 300mm f2.8G ED-IF VR with this model. Follow the link to read our detailed comparison of these model: Compare Nikon AF-S Nikkor 300mm f2.8G ED VR II vs Nikon AF-S Nikkor 300mm f2.8G ED-IF VR