Different telescopes utilize different parts of the electromagnetic spectrum. Two types of optical telescope are refracting and reflecting. There are also different kinds of radio telescope investigating different bandwidths from the infra red to the untra violet
Schmidt-Cassegrain
It is a reflecting telescope
it is a reflector telescope
A Cassegrain reflector
The Newtonian Telescope.
one which reflects of mirrors
It is a reflecting telescope
A reflecting telescope.
Yes, a Hershelian telescope is a type of reflecting telescope in which the primary mirror is tilted so the observer's head does not block the incoming light.
A telescope with achromatic lenses.
One that you look through, rather than into.
simplest possible telescope
The Hale Telescope is a 200 inch (5.1m) reflecting telescope with a focal ratio of 3.3. It is mounted on a "horseshoe" equatorial mount.