Cyanotype, ferric ammonium oxalate, one drop 40% citric acid per ml sensitizer, no dichromate. This is the best print I got from this batch and it is quite flat and dmax isn't half as good as the digital version suggests.
Schneider 210/5.6 on TMX
You have the best models Mr. Gandolfi! I'm using Lithographic Senefelder's Crayon Black No. 1803. I got an awesome large brush for doing chalk painting recently and it works very nicely. Thanks for all of the compliments! My daughter really likes it too, which is always gratifying.
hand colored ( using PS ) retina image ...
retina image ?
long exposed paper in a camera ...
this is 11x14 paper, old brass lens and camera, 2 hour exposure
scanned, and inverted and hand colored ...
https://flic.kr/p/s5nrj4
I am glad you shared this Bryan as I just mixed some Van Dyke potion. First time I tried it was 25 years ago in college.
The fact is, I don't remember parts of the process like the fixing... I seem to remember we just rinsed the print in water but it was too long ago... The first couple of minutes in the hypo the print gains density, darker shadows. Then it starts bleaching it irregularly?
The other thing I don't remember is coating problems but that could be I used a very wide hake brush.
What are your impressions?
Here's instructions for the Bostick & Sullivan kit I am using:
http://www.bostick-sullivan.com/articles/vandyke.pdf
It uses Sodium Thiosulfate for fixer. I've never seen cross-hatched patterns like that. I used a camel-hair brush for coating.
This is the only kit I've used. I actually just leech some materials from the advanced photography courses at the college here since they never use them all. Especially this year with very few students in the course.
Really good density on that coating, Corran! What recipe did you use, and specifically, how much tartaric acid? Was this single coated? I can't get anywhere near that kind of density in a single coat and only just with a double layer.
Great image as well, of course. This is untoned, judging by the color?
Ramiro, I usually fix them for 2-3 minutes in a 5% thio solution. Fixing for longer than 4 minutes results in bleaching. And could it be that the brush you used was not saturated enough? I use a foam brush btw; I ran into problems with uneven coating with a regular brush.
Thanks koraks.
I believe this was just from a kit from B&S:
http://www.bostick-sullivan.com/cart...&cat=52&page=1
Sorry I can't be of more help. I don't mix/compound anything myself at the moment.
This was single coated though, not double. Not toned. I really pushed the exposure to cut through some base fog on my film. If it helps, I exposed it to 3000 units on a NuArc (whatever that means).
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