Many years ago when I was looking for a used scope for my new rifle, I ran into a used Leupold 2x7. It had been around the block, for sure. It had scratches in the finish, and the entire gloss black tube had turned purple from age. The ocular lens had a small scratch on it. I sent it in to Leupold, and they sent it back with a new tube and new ocular lens.......the scope looked brand new. Didn't cost me a dime, except for the postage.