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phtometric exposure

  1. Doug Kerr

    Another ISO 12232 metric of digital camera sensitivity

    ISO 12232:2019, Amendment 1:2020 added a new metric of digital camera sensitivity, the encoding-relative sensitivity (ERS). This is defined in terms of the photometric exposure required to produce a digital output signal of the value that is said to be equivalent to L*=50 (presumably referring...
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