Types of Telescopes Chandra

a)the EM radiation range targeted by the following telescopes (there may be more than one)
X-Rays
b) a picture generated by this telescope (or, if it is a prototype, a schematic of the design)

c) how old the light coming into the telescope is, in light years or light minutes

d) if the telescope uses mirrors, CCDs, lenses, or a combination of all.
It uses mirrors.