Click on the 1/4 size image above to bring a full sized image up in a separate window.
Don't forget to size to 100% to see the full image (this depends on your browser).
The D200 viewfinder with grid lines is shown.
The gray outer border indicates the full image area.
This is an idealized representation.
Due to mechanical tolerances the viewfinder in any given D200 is not perfectly aligned.
AF sensors are usually within the AF sensor brackets but are not usually perfectly centered.