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Feynman's Lectures on Physics

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Why the resolving power of compound eyes is low compared to the lens-type simple eyes of vertebrates and why compound eyes are not seen in large organisms or simple lens eyes in small organisms?

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Solution Summary

Simple lens-type eyes are discussed. References are also listed to promote research.

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With compound eyes, the image perceived is a combination of inputs from numerous eye units that point in slightly different directions because they are on a curved, convex surface. Compound eyes have a much wider view angle than simple lens eyes. Compound eyes can detect fast movement and sometimes polarization of light. One disadvantage is ...

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