Gum Bichromate & Ziatype Workshops

Two Gum Bichromate Images ©Anne Eder

Gum Bichromate Workshop

Gum bichromate is a 19th century photographic process using gum arabic, photo-sensitive dichromate, and watercolor pigments to create monochromatic, duotone, or full color images. The results are each unique and 100% archival. This workshop will take participants through the steps from generating large format color separation negatives to final printing. All the materials needed for this workshop will be provided.

Date: Saturday July 29, 2017
Time: 10:00-6:00 with a break for lunch
Place: Digital Silver Imaging, 9 Brighton Street, Belmont, MA
Fee: 249.00

GB Workshop

Student Discount: Currently enrolled students can receive a 10% discount. Use promo code: Student10 at checkout. You will be asked to present your valid student ID at the workshop, if you do not have a valid ID you will be charged the full $249.

Images produced at a previous Ziatype Workshop

Ziatype Workshop

Ziatypes have the look of platinum/palladium prints but are not as difficult or expensive to produce. This beautiful alternative processes maybe the perfect match for your photographic imagery. The Ziatype Workshop is for beginners and photographers with basic knowledge of the ziatype process. Expert instructor, Anne Eder, will take participants through the complete process of making ziatypes from digital image to finished ziatype print.

Anne will step participants through the entire process, starting with making a contact negative on an inkjet printer, coating of light sensitive paper, exposure with sunlight, and the final archival wash.

During the course of this day-long workshop participants will focus on:
• Perfecting negative conversion curves for better print results
• Creating a negative to express your vision
• Understanding ziatype chemistry
• Creating additional color and tone in your ziatype

If you are curious about the advantages of ziatype printing here is a brief list:
• Ziatypes utilize a printing out process (POP), images can be evaluated as they print, resulting in far fewer underexposed or overexposed prints.
• Greater contrast control without graining
• Greater paper acceptance, prints well on most papers.
• Greater color control. You can “dial in” various shades of brown to red brown, purple to neutral grays.
• No developer needed.
• Excellent blacks (dmax)

All materials needed will be provided, prints will be made on Hahnmühle Platinum Rag paper.  Participants need to bring 3 to 4 images on a flash drive, CD, or their laptop. Images should have good tonal scale in both the highlight and shadow areas. Two negatives will be made, one larger and one smaller, so a larger size file is better as it can always be reduced without image degradation. Files should be 300ppi, actual size. Participants will be able to keep, the prints , negatives, and custom curves made during the workshop.

Date: Saturday August 19, 2017
Time: 10:00-6:00 with a break for lunch
Place: Digital Silver Imaging, 9 Brighton Street, Belmont, MA
Fee: 249.00
Zia Workshop
Student Discount: Currently enrolled students can receive a 10% discount. Use promo code: Student10 at checkout. You will be asked to present your valid student ID at the workshop, if you do not have a valid ID you will be charged the full $249.

Instructor Bio: Anne Eder, holds a masters degree in Photography and Integrated Media, and has studied with Christopher James, author of the Book of Alternative Processes. Her gum bichromate images and studio practice are featured in Gum Printing: A Step-By-Step Manual Highlighting Artists And Their Creative Practiceby Christina Z. Anderson, published by Focal Press/Routledge 2017. Her work has been exhibited internationally and is held in both public and private collections.

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