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DETAILS

Date:
Saturday, September 12, 9am - 4pm
Sunday, September 13, 10am - 4pm
No-host lunch
Instructor:
Diana Bloomfield
Location:
Art Intersection
Phone:
(480) 361-1118
Address:
207 N Gilbert Rd # 201, Gilbert, AZ, 85234

Darkroom, Get Involved, Workshop

Gum Bichromate Workshop with Diana Bloomfield

In this intensive two-day workshop, we will learn how to print in the 19th century photographic process of gum bichromate. Using color separation negatives, we’ll learn how to make multilayered, tri-color gum bichromate prints on watercolor paper.

After mixing an emulsion of watercolor pigment, potassium dichromate, and gum arabic, this mixture is brushed on watercolor paper, dried, and by placing a negative on top it is exposed to exposed UV light.

We then ‘develop’ the prints in plain tap water. Layers are built by repeated coatings and careful registration of negatives until a full rich image is achieved.

We will also explore one-coat, monochrome prints, made using black and white negatives.

No prior experience with this type of printing is necessary, so join us for two days of fun and experimentation with this interpretive, intuitive, and infinitely creative photographic printing process. Once you experience the joy of gum-printing, you will never be the same!

The making of digital negatives will be shown, but for the workshop itself, please send two color image files (300 dpi at 10” on the long side), and one black and white if you would like, at least five days prior to the workshop. An email with details will be provided once you are registered.

Diana Bloomfield rinsing a gum print in her Raleigh studio. Photo by ©Tim Lytvinenko, 2014

Diana Bloomfield rinsing a gum print in her Raleigh studio. Photo by ©Tim Lytvinenko, 2014

bloomfield_diana_BlueHeart_AI

Blue Heart, ©Diana H. Bloomfield 2014

RibbonedWater_dhbloomfield_AI

Ribboned Water, ©Diana H. Bloomfield 2015

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