RE: Ink color for digital negs
I just wanted to emphasize that my curve skepticism is only with regard to my work, where the curves would likely be lost in the enlarging process - which is unfortunately far less in my control. However, I will be anxiously awaiting the results of Loris' curve experimentation and I am grateful he is stepping up to do the work! I admit that I have not used paper negatives in several years. I forgot how good they can be. If curves could be used to achieve better highlight detail, that might be the way to go. Keith PS - Loris, maybe you can ask Ayse if we can display an online picture of her fishing boat? It's pretty good for a first gum attempt! -----Original Message----- From: Loris Medici [mailto:mail@loris.medici.name] Sent: Monday, October 09, 2006 7:12 AM To: alt-photo-process-l@usask.ca Subject: RE: Ink color for digital negs We used paper negatives in Keith's gum workshop (Istanbul) and I was surprised with the fine results we got (black ink only). I'm inclined to use paper negatives for future gum works. I guess I won't need the sharpness which ultra low dot gain transparency media provides since I will print "a la Keith" (= big, around A3 - A3+). I'm currently making trials on dimensionally stable and ultra fast drying Yupo paper. The results are promising. I first coat Yupo with Daler Rowney System 3 Gesso (acrylic base AFAIK, quite matte and porous finish, I do two coats) then I coat it with 3-4% gelatine (two coats). The whole operation takes 10 minutes (I dry the paper with hairdryer). This way gum can stay on surface (if I don't do this surface preparation, gum will simply leave the paper in pieces no matter how much I expose). Will start to calibrate soon. Keith is a little bit skeptical about curves since his negative making workflow is quite different from ours (35mm film recorder -> enlarged negatives on lith film in darkroom) but I think we can get better prints when compared to uncurved negatives. More later (soon I hope - I just can't wait to share my first succesfull multicolor gum prints with you folks!) Best regards, Loris. ________________________________ From: Marek Matusz [mailto:marekmatusz@hotmail.com] Sent: 09 Ekim 2006 Pazartesi 16:09 To: alt-photo-process-l@usask.ca Subject: Re: Ink color for digital negs ... On the other hand when printing negatives for gum I use "print black ink only" option. Chris has pointed me that way. Actually for gum I use cheap transparency and with black ink only there is little problem with printer marks and drying ...
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