Question

What is spherical aberration? how can this defect be minimized in ordinary lenses. of physics?​

Answer 1

Answer:

In optics, spherical aberration is a type of aberration found in optical systems that have elements with spherical surfaces. Lenses and curved mirrors are prime examples, because this shape is easier to manufacture.

Ways to minimize the spherical aberration:

By using stops i.e. by placing an opaque sheet with a hole, so that light is focused on the center of the lens and the aperture is reduced. By using a pair of convex lenses that are placed apart from each other in a distance equal to difference in their focal lengths.

Answer 2

Answer:

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Ways to minimize the spherical aberration:

By using stops i.e. by placing an opaque sheet with a hole, so that light is focused on the center of the lens and the aperture is reduced. By using a pair of convex lenses that are placed apart from each other in a distance equal to difference in their focal lengths.