Any advice to share? I'm still getting drying marks but only sometimes, and I use photoflo which I thought would remedy the situation. :/
Well, this is the first time I had little to no drying marks, so it might be a fluke.Any advice to share? I'm still getting drying marks but only sometimes, and I use photoflo which I thought would remedy the situation. :/
Soak the film in de-ionised water for about 30 seconds at the end of wash and just before you hang the film up to dry. No drying marks ever.
...So I interpolated, divided by Planck's constant, multiplied by Avogadro's number and went with 13 minutes in HC110 1+49 ....
12 4x5 shots on 6 sheets of film... and as an added bonus... 6 sheets of unexposed film...
12 4x5 shots on 6 sheets of film... and as an added bonus... 6 sheets of unexposed film...
Testing my home made UV light source for carbon transfer.
12 4x5 shots on 6 sheets of film... and as an added bonus... 6 sheets of unexposed film...
Testing my home made UV light source for carbon transfer. I'm getting closer to what I want.
Looking really nice Rick! Is that the 500W halogen worklight with the UV filter removed? I recently got one but haven't tried it yet... although I have rigged up a switch so that I don't need to go near it to turn it on and off. Need to figure out how to mount it before I try it. As you might remember I have some doubts about this... there is something about using the sun that "feels right" for making salt prints. But if I was doing carbon transfer I'd want a good light.
Hi Rick,
Looking good so I guess you will get there.
I was wondering if this image was a bit underexposed and/or did you use brown instead of lamp black for pigment?
Bert from Holland
I wasn't getting consistent results with the QH lamp. I was at a place I hate to shop at(starts with W) and stumbled on some 24 inch black lights, bulb and fixture for $10 each and bought all they had in stock. I got four and mounted them under a recycled piece of furniture and can do 8x10's with it. I'm going back to see if they got any more in so I can expand to make 16x20's. This was a 20 minute exposure at 4 inches below the lamps.
cyanotype with waxed paper negative
actually it is still being exposed, 24 hours now ...
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