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  • Shirish Mhatre

    Member
    March 17, 2024 at 2:04 pm

    It is nothing but amplification of the signal, received by the sensor (e.g. by CMOS or CCD) by electronic means. At 100 ISO, the amplification is 0, subsequently the amplification increases in proportion with the value, you set. E.g. at 800 ISO, the amplification of the signal, received by the sensor is 8 times.