The golden ring is 100% justified. I use it with the D700 and I can say that on FR 14 it’s almost fisheye - tilt a little from the horizon and creative distortions already appear in the viewfinder. 114 degree view. I was finally able to photograph my entire room. Weight is normal, 70-200 is much heavier! The convex lens is a little annoying, but firstly, the edges of the hood protrude beyond the lens, thereby protecting the glass, and secondly, a cover is put on the lens, a kind of cap))) thirdly, I think that a special coating has been applied there, but of course I haven’t tried it for strength)