two-color cyanotype, from two negatives, yellow and blue-green, toning and bleaching, exposure time from 10 to 30 minutes for a yellow negative https://flic.kr/p/2naAZY5
no, it's not gum bichromate, I know the process too, it's just a cyanotype, there are ways to get a color other than blue, toning, whitening, staining. There are many tutorials on this topic
no need to apologize, I respect your opinion, but I believe that you can get something interesting, you could make a two-color cyanotype from two paper negatives
https://flickr.com/photos/192786998@N04/51944609743/in/dateposted-public/
Negatives not only on Pictorico foil. A paper negative has been known for a long time - one of the first - waxed paper for contact prints, made by William Henry Fox Talbot. Plus, my video doesn't reveal anything revealing, but there's something that Mr. Talbot didn't have - he didn't have a...
Hi,
I did come across information develop from herbs. I decided to check it out in practice. I made a few tries. I used fomapan 100. It still requires a lot of testing, but it works. there are a few samples in this movie, if anyone is interested, feel free to talk.
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