January in Wisconsin is cold and dark! So I sometimes use an indoor UV lamp for Winter cyanotypes and salt prints. Here is a photo of a print in process. This is a 9in x 12in print from a digital negative. The light sensitive paper is placed against the negative and clamped in my home made wood frame. I use an LED UV lamp to provide the light. I have also found that I have to use a sheet of black paper on the back of my print to stop light leakage. This was happening around the seam between the two halves of my printing frame.

I have been doing longer and longer exposures to generate the deepest blues I can. I would use as little as 5 minute exposures in the past but now run about an hour.

I will post the final images in my next blog. You can see more cyanotypes which I have for sale at Prints For Sale. You can also check out my Etsy Shop

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