Question:
what is cassegrain telescope , is astronomical and cassegrain is same
Answer:
The Cassegrain telescope is an astronomical reflecting telescope, in which the light is incident on a large concave paraboloid mirror, and reflected onto a smaller convex hyperboloid mirror. This reflected light is reflected again through a hole in the concave mirror to finally form the image.
Cassegrain telescopes are the more advanced form of the astronomical telescopes.
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