[alt-photo] Gum...again!

Paul Viapiano viapiano at pacbell.net
Fri May 14 23:33:47 GMT 2010


Hi all...

I've been printing away here since my entry to gum one year ago, exploring 
this and that and being accepting of the vagaries of the gum experience, 
going with the flow, etc...and having a lot of fun among the 
disappointments.

But today, while experimenting with different papers for making unwaxed 
paper negatives (I've been using waxed negs for gum for the last few months 
or so) I ran across something which I don't think I've seen mentioned; 
either that or I am totally losing my mind. And that is how drastically 
overexposure can totally change a color or certain colors.

I'm used to seeing dull colors after development, nothing like the brushed 
out color intensity of just pigment mixed with the gum, and although I've 
tested exposure many times with my wedges, I don't think it really hit me 
until today that not only will an overexposed layer take longer to develop, 
it drastically changes and dulls the original color.

I think I've been overexposing all along... 




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