Nikon 1 10mm f2.8 is an Auto Focus (AF) Wideangle Prime lens with 1" max sensor coverage. When mounted on a 1" sensor camera, it will give you an FF equivalent focal range of 27mm. With a max aperture of f2.8, this is a fast lens.
Nikon 1 10mm f2.8 is not a weather sealed lens, so you have to be extra careful against rain and dust.