[jase (Jason)]

The internet is your friend - http://en.wikipedia.org/wiki/List_of_telescope_types

Refractors (Dioptrics)

• Non-achromatic
• Achromatic
• Apochromatic
• Superachromatic

Reflectors (Catoptrics)

• Newtonian
• Gregorian [1]
• Classical Cassegrain
• Dall-Kirkham
• Large liquid mirror telescope
• Pfund telescope
• Ritchey-Chrétien
• Schiefspiegler
• Yolo
• Herrig
• Stevick-Paul

Combined Lens-Mirror Systems (Catadioptrics)

• Maksutov telescope
• Schmidt camera
• Schmidt-Newton telescope
• Schmidt-Cassegrain telescope
• Houghton
• Modified Dall-Kirkham
• Klevtsov
• Argunov