auto-exposure

noun

🔊/ˌɔːtəʊ ɪkˈspəʊʒə(r)/

🔊/ˌɔːtəʊ ɪkˈspəʊʒər/

[countable, uncountable]

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part of a camera that controls the amount of light that reaches the film; the ability of a camera to do this（照相机的）自动曝光装置