Posts tagged with "ferrogallicprocess"



The forgotten Ferro-Gallic Process from Louis-Alphonse Poitevin
24. April 2021
Almost all of the iron processes are negative processes. That means you end up with a negative, and there is almost no way to get a positive from a typical cynonegative. This because the contrast of the whites and blues are way too weak for a contact copy. But there exists a forgotten process from Louis-Alphonse Poitevin. This Ferro-Gallic Process is a positive process and is very fascinating. I worked some time ago with this process and discovered the potencial for Iron Photography. Actually...