I know this isn't a popular opinion, but I much prefer using the sun. UV lamps mostly for test prints.
I suspect it might not matter as much if you use DN.
Some cedars from a recent fishing trip to Idaho. 8x10 FP4. Van Dyke print on HPR. Digineg used.
Nice one Erik, this one works well as a Van Dyke.
I have a fluo box which I built years ago, and a NuArc. with the slower processes like cyanotype and salt I prefer the sun. I have a UV meter which cost me 1/2 as much as materials to build the fluo box and very accurately tells me how many units of Uv the print is receiving. I have had the meter about 2 years so it should still be available on the web.
Relatively new to the forum. I found it while researching Petzval style lenses, and then also stumbled across this thread. Wonderful information, not to mention the great work everyone is sharing.
Most of my alt. process stuff has been with casein bichromate. I love color, but I don't find RA processing to be very gratifying (certainly not like the control you have in the black and white darkroom). Bichromate let me hand print in color, and have a ton of control over the look of the print.
Everything is shot on 4x5 Ektar100, scanned to digital, and separated in Photoshop. Negatives were printed on transparency sheets at 40"x50" size. The UV box is a monster that I constructed using several 48" UV fluorescents. Monster sink, monster paper, etc, etc. I've since moved, and no longer have the darkroom setup (although I did bring the UV box). I plan on scaling down the size and continuing to use the process. 40x50 is just not easy to make, although I did get some nice prints eventually.
Any comments or questions are welcome. I don't know anyone else doing non-silver processes at large sizes, but I'm sure someone is. I'd be happy to share my experiences, and equally happy to soak up someone else's insight.
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Peabodius those are very cool images. Welcome to the forum.
--- Steve from Missouri ---
Castiñeiro de Entrambosríos by Pau Martín, on Flickr.
Palladium print on gampi paper from a 8x10 negative.
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