Mesopic vision

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Notion

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Science and technology

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What Wikipedia says

Mesopic vision, sometimes also called twilight vision, is a combination of photopic and scotopic vision under low-light (but not necessarily dark) conditions. Mesopic levels range approximately from 0.01 to 3.0 cd/m2 in luminance. Most nighttime outdoor and street lighting conditions are in the mesopic range.

Excerpt from the Wikipedia article “Mesopic vision”, under the CC BY-SA 4.0 license. Read the article on Wikipedia