The official most expensive telescope in the world is Hubble, with a price tag of up to 7 billion US dollars up to now.
The most expensive binoculars on earth is the Leica's Duovid 10+15x50 . It features a 50mm lens and can switch between 10x magnification and a 15x magnification.
Refracting
multiple-mirror telescope OPTICAL ;p
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.
simplest possible telescope
Infrared the answer is a refracting telescope :p
Several factors contribute to the power of a telescope. The size of the objective or primary mirror is a crucial factor, as a larger diameter allows the telescope to capture more light. The quality of the optics and the level of precision in their construction also affect the power of a telescope. Additionally, the type and quality of the eyepiece used can further enhance the power by magnifying the image.
Disadvantages Harder to operate in space more expensive you can't get such a large telescope. it's harder to repair a Hubble telescope
Refracting
um.....a toy telescope will cost you between 2 and 4 dollars while a real one will cost between 2000 and 4000000
It gathers more light than a refractor type of telescope can, of the same size.
It is a reflecting telescope
multiple-mirror telescope OPTICAL ;p
it is a reflector telescope
A Cassegrain reflector
The Newtonian Telescope.
one which reflects of mirrors
It is a reflecting telescope
The more expensive or power the vehicle has the more expensive it will be to insure