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Hurter and Driffield

3:59

video curva de Hunter y Driffield

1:55

What is ACTINOGRAPH? What does ACTINOGRAPH mean? ACTINOGRAPH meaning, definition & explanation

2:36

What is DENSITOMETRY? What does DENSITOMETRY mean? DENSITOMETRY meaning, definition & explanation

2:52

My best nature photos - Wildlife and Birds photography

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#characteristics curve #film contrast #exposure contrast

Ferdinand Hurter (1844–1898) and Vero Charles Driffield (1848–1915) were nineteenth-century photographic scientists who brought quantitative scientific practice to photography through the methods of sensitometry and densitometry.
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