Question

What is a telescope aperture?

Answer 1

Whatever the telescope, its most important spec is its aperture: the diameter of its main, light-gathering lens or mirror. (This lens or mirror is called the telescope's objective.) The bigger the aperture, the sharper and brighter the view will be.

Answer 2

Answer:

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Explanation:

The surface of the spherical mirror available for the incidence of light is known as aperture.