 BetterPhoto Member |
Sepia Tone What is the History of Sepia Tone?
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Damian P. Gadal |
Ferric-silver processes are often referred to as sepia prints or Vandyke Brown, closely tied to formula patented by Arndt and Troost in 1895. Sepia toning involves replacement of silver in the black and white photographic print by silver sulphide, which is brown. The print is first bleached, briefly washed and then treated with the sulphide toning solution. A range of different browns can be obtained by varying the pH of the sulphide solution. You can emulate the effect in Photoshop with a variety of methods... hth
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