Question

How will you combine two lenses of different materials so that there is no chromatic aberration?​

Answer 1

Answer:

concave and convex

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Answer 2

Answer:

Spaced Doublet Approach to Chromatic Aberration

This approach to minimizing chromatic aberration uses two lenses of the same type of glass so that there is just one index of refraction n, and the expression for the combined power of the lens combination depends upon that index of refraction.

Explanation:

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