Printing on coloured paper įor more info see also: Chromogenic printĬolour papers require specific chemical processing in proprietary chemicals. It often indicates improper storage of the prints. This results in a slightly bluish, reflective patch in the darkest part of a print or negative when examined in raking light. Silver mirroring, or "silvering", is a degradation process of old black-and white-photographic prints caused by conversion of the black silver oxide to silver metal. However, as of 2006, it is still available from various online retailers. Kodak has announced that it will no longer produce or sell this product. It is generally not suitable for conventional black-and-white printing, since it must be handled and developed in near-complete darkness. Panalure also finds application as paper negatives in large format cameras. Panalure was developed to facilitate the printing of full-tone black-and-white images from colour negatives – a difficult task with conventional orthochromatic papers due to the orange tint of the film base. Kodak Panalure is a panchromatic black-and-white photographic printing paper. Prints can be chemically toned or hand coloured after processing. Optionally, after fixing, the print is treated with a hypo clearing agent to ensure complete removal of the fixer, which would otherwise compromise the long term stability of the image.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |