1.Previous
3.Next

the photographic darkroom process, a large-format glass plate negative is contact-copied onto a low-contrast film or plate to create a positive image. However, the positive copy is made with the copy material in contact with the back of the original, rather than emulsion-to-emulsion, so it is blurred. After processing, this blurred positive is replaced in contact with the back of the original negative. When light is passed through both negative

1.Previous
3.Next