For a double concave lens where the rays are diverged, the principal focal length is the distance at which the back-projected rays would come together and it is given a negative sign.
2.
This use of light may support speculation among art historians that Vermeer used a mechanical optical device, such as a double concave lens mounted in a camera obscura, to help him achieve realistic light patterns in his paintings.
How to say double concave lens in Hindi and what is the meaning of double concave lens in Hindi? double concave lens Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
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