Quote Originally Posted by hondasleeper View Post
Not too sure if it is legal, I would find out though because it is a weapon accessory. I am sure it is a controlled item and I would not risk trying to bring one in, you could get into alot of trouble.
If you get one that is designed for telescopes then I don;t see why there should be a problem.

http://www.williamoptics.com/prod_ac.../features0.htm

http://www.astromag.co.uk/pdfs/telrad.pdf