What are the advantages of refracting telescope 2 physics?
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1)Reflector telescopes do not suffer from chromatic aberration because all wavelengths will reflect off the mirror in the same way.
2)Support for the objective mirror is all along the back side so they can be made very BIG!
3)Reflector telescopes are cheaper to make than refractors of the same size.
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✰The two advantages of a reflecting telescope over a refracting telescope are as follows
(i) There is no chromatic aberration in case of reflecting telescopes as the objective is a mirror.
(ii) Spherical aberration is reduced in case of reflecting telescopes by using mirror objective in the form of a paraboloid.
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