Cyanotype: toning experiments

trees-cyano-toned-w-223x300

Cyanotype which after development was toned with black tea (Ostfriesentee).

trees-cyano-toned-3-w-222x300

 Bleached with borax and than toned with black tea (Ostfriesentee).

trees-cyano-toned-2-w-229x300

Cyanotype  bleached in diluted Rodinal solution and afterwards toned with black tea (Ostfriesentee). (–> Black)

—–

Same negative, same paper (Boesner LineArt224 ) and same sensitizer solution  (J. M. Eder: Rezepte, Tabellen und Arbeitsvorschriften für Photographie und Reproduktionstechnik, Verlag von Wilhem Knapp, Halle (Saale), 1942, 18.-19. Auflage, p.225).

Exposure times vary:  4′, 2′ and 5′ .