Nikon Micro-200mm f4D ED-IF is an Auto Focus (AF) Macro 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 200mm. With a max aperture of f4 at 200mm, this is a moderately fast lens.
Nikon Micro-200mm f4D ED-IF is not a weather sealed lens, so you have to be extra careful against rain and dust.