Quote Originally Posted by Geezer View Post
It’s not a telescopic sight. It’s possibly a telescope sight. It’s definitely an optical sight. Or a glass sight. Unless it is rubbish and has plastic lenses.

Open sights do not include aperture sights, because they are closed.

Sigh. Here I go again.
It IS a 'telescope sight', and it is a graticule, not a reticule.