This type of telescope has a mirror with a hole in the middle. The focus is behind the back of the mirror.

This type of telescope has a mirror with a hole in the middle. The focus is behind the back of the mirror.

Naim 22:52

This type of telescope has a mirror with a hole in the middle. The focus is behind the back of the mirror.




A) Newtonian
B) Prime focus
C) Coude
D) Cassegrain
E) None of these




Answer: D


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