(Science: microscopy) The visual impression of distinctness of detail in a photographic reproduction. A quick and penetrating intelligence; he argued with great acuteness; I admired the keenness of his mind.
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... equivalent for the human eye. But there are also a hundred million rods that detect monochrome contrast, which plays an important role in the sharpness of the image you see. And even this 105MP is an underestimate because the eye is not a still camera. You have two eyes (no kidding!) and they ...
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