Why do some people always want to take the easy route? Most of us have spent many hours reading and testing. You can do the same thing rather than riding someone else's horse.
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Ok sorry.
Here is the address for Mark Ostermans recipe, it has a link in it which gives a more in depth explanation of the process, it is very interesting and explains how the emulsion can be manipulated to give you a faster emulsion and a more sensitive one. Good reading. No I don't do workshops very well, its just someone telling you what you can find on the net for free.
Another good source, though I'm probably trying to teach you to suck eggs, is Youtube. A guy called Borut Peterlin on you tube is very entertaining and has some great tips. Though it is wet plate collodion.
http://thelightfarm.com/Map/DryPlate...PlatePart4.htm
I don't know about John Coffer and dry plate? Just interested in his wet plate collodion. You would have to check out his site.
kanga, sorry for late answer.
my is 493... it is the same lens.
the lens is good enough for 8x10 wide open in portrait distance (2-3m and more to model) with some movements
yes, i have vignetting and darkness in the corners if i have to much movements, but when, then i try to do my shots anotherway (read without movements or a bit less movements) if i would like to have 8x10 full of image. on the otherside i make my contact prints on 18x24 paper. it meens i have to crop :(
Wow, that resource didn't exist last time I looked at making my own film. I'll have to look through her site in more detail; it certainly seems as if, as long as we can get acetate and glass, we'll be able to keep doing what we do (I have a couple 9x12 cm plate cameras, I can shoot glass without any more effort than pulling the film sheaths out of the plate holders -- and in that size, it isn't all that heavy). I'll have to look in more detail to see if she's at least come up with (or found and pointed to) a path to ortho sensitivity without exotic sensitizing dyes. If I can make an ISO 25 equivalent emulsion for film and plates, and control contrast in an emulsion to coat on paper for prints, I'll be able to do this as long as I can lift my tripod, regardless of what the film industry does.
Wow, just reread the link above and it is a much improved and understandable recipe, with pictures. This is doable.
I have 100 thin plates of 5x7 glass, much of the lab gear, and now the winter to gather supplies and try it.
I was unaware of John Coffer and his workshops sound terrific.
Great links!
I thought I'd try out my recently acquired 335mm Wollaston Meniscus lens. Kodak Ektascan B/RA X-ray film. Shot wide open. EI 80. Developed in pyrocat-hd.
That's on 8x10, probably?
Yessiree! Got some 14x17 but my camera needs some repairs first...bellows is stiffer than the drink I poured last night.
Świetny portret.
Ja dziś testowałem nowy film RTG, Fuji UM-MA, jego zaleta, emulsja tylko po jednej stronie. Wstępnie świeciłem 64asa bo tak mi wychodziło na poprzednim filmie Fuji SuperRX więc od tego zacząłem.
Rodinal 1:100, 12 minut w kuwecie przy czerownym świetle. Negatyw wygląda dobrze, zobaczymy...
Pozdrawiam.