Its a 20mm f/2.8 on a full frame body. This is a good old design that is still in production by Nikon. It is a motor driven lens so you need a body with the lens motor drive built in to the body. It is small, light and sharp.
I certainly needed a subject in the foreground on these. I knew that at the time. I went B&W specifically because it is even less compelling in color without clear subjects.
Here is a color shot
