How do you know exactly how many drops of the different colors of Spotone it will take to match your prints? I keep thinking I am close and then when I look at the prints in the sun I can see the spots are more blue than the print. It's "fine" but I sure would like to get closer to a perfect match.
Is it better to work with a 20/0 brush and dried spots of Spotone? I dapple a palette with different concentrations in each bowl so it looks kind of like the surface of a golf ball with lots of small dots of dried dye. Then with slightly dampened 20/0 brush, I touch a spot of dye and then the print. I get about 2-3 spots on the print just right then have to go back.
Or is it better to have a larger brush like 000 and work wet? Is a fine sable brush necessary or can any student-grade brush do the trick?
How about negatives? I always thought it would be great to have some kind of syringe needle to pinpoint a tiny dot of opaque over a pinhole on a negative. But haven't yet been able to reliably spot pinholes. What's the secret?
Hey Bill, here is an update.
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To view the print, I use a 6" x 4" magnifying glass on a flexible stem which also incorporates a single bright LED bulb. Since getting this set up re-touching is so simple.
One question though, when spotting resin coated paper do you dampen the paper surface, or spot on the dry surface? With fibre based paper I always spot onto not quite dry prints prints.