It sounds like a selenium-toned duotone print. This can be a very acceptable solution or alternative to a second printer. Especially if you like selenium-toned prints with the deep blacks and the mid-grays that are drop dead gorgeous. Way ta go !!!!!! Tim --- In DigitalBlackandWhiteThePrint@y..., Robert Bollini <rbollini@n...> wrote: > Martin Wesley recently suggested a simple device for producing neutral > BW prints from a set of colour inks. Perhaps derived from the referenced > article by Caponegro fils in which he apparently argued the use of > PShop levels, Martin suggested that one might begin with the blue and > red channels each set to 1.0. > > This morning I fired up my Win98SE rig, profiled with Photocal and > ProfilerRGB, and driving an Epson 1160 using Jon Cone's Darngoodink. In > PShop 6.0, I opened a coloured image of ferns in the forest taken with a > Canon G1 digital camera. I used channel mixer, a couple of curves > adjustment layers, and the high pass sharpener, and only then adjusted > the gamma with layers as above. Printing on Epson Photo Paper (Yay > Costco! 28c Canadian per 8.5x11 sheet!) at about 6x8 in., I found the > print too red. I returned to the snapshot I had made before tinting the > image in levels, and set red to 1.05 and blue to 1.12. > > Now I've tried all the stunts -- Reichman's, Fraser's, and a hatful of > other helpful volunteers. None of them gave me a print anywhere near as > neutral as this one as it emerged from the gullet of the 1160. In > daylight it's just about perfect, and betrays only the slightest hint of > purple under tungsten: no more metamerism, in other words, than the > prints I toned in selenium many years ago. A fluke? Maybe. I'll let you > know. So far, pretty exciting. Thanks, Martin. > Bob Bollini
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Re: neutral BW w colour inks
2001-08-07 by tyork@accesscable.net
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