Tag Archives: Alternative process workshop

Printing Out Paper Workshop

Printing out Paper, or PoP, makes an image by exposing a negative and paper to light without any chemical development. With a printing-out process, you can watch your image come to life during your exposure, rather than having to wait until it is processed! Used originally as a simplified field process without the need of a darkroom, today we use this handmade emulsion to create artful images with subtle and warm tonality.

This workshop begins on Friday night with a lecture and demo, where instructor Siegfried Rempel will discuss the history of collodio-chloride printing and demonstrate two different printing-out methods. Following on Saturday is a day of coating and printing your own hand fabricated, collodio-chloride printing out paper.

The day after the workshop, return to the lab to further refine your mastery of this process! We are hosting a PoP Open Studio on Sunday, March 26 from 9am – 3pm. More information here.

About Collodio-Chloride
The use of Collodion in photography for the production of photographic prints an be found as early as the 1850s, and is most commonly used in the Wet Plate Collodion process to produce tintypes and ambrotypes. The concept of an “emulsion” of silver salts in a collodion binder was introduced by Gaudin in 1853 and by 1861 he was actively producing the “Photogene” collodion emulsion.

The collodio-chloride print has a similar physical appearance to its gelatin counterparts and it can be difficult to tell them apart. In fact, modern gelatin silver darkroom papers evolved from this early printing method! Today, we still practice the collodio-chloride process because of the rich and beautiful tonality it imparts on our images.

 

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Platinum/Palladium with Michael T. Puff

Late last month we had the pleasure of hosting a Platinum/Palladium workshop in our Photographic Arts Lab led by San Francisco-based artist Michael T. Puff! A master of this luminous, tonally-rich process, Michael led our eleven participants in making gorgeous prints of their own images.

Platinum/Palladium printing, a photographic process invented in the 19th century,  has long been a favorite of alternative process photographers for its highly archival nature and infinite variations of gray tones as highlights shift to shadows. In the process Michael uses, ferric oxalate, palladium, and sodium chloroplatinate are mixed together, hand-brushed onto 100% cotton rag paper, exposed to UV light through a digital negative, and then processed with potassium oxalate and sodium thiosulfate. The end result is a handcrafted print that is estimated to retain its appearance for a thousand years!

Thank you to all of our wonderful participants, and of course to Michael for traveling to us to share his expertise!

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Michael instructs the class on mixing the chemicals and coating their paper

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The participants mark where the image portion of their digital negatives will be centered on their paper

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After exposing a coated piece of paper to UV light, Michael demonstrates developing the print

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Participants process their exposed prints

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Cyd looks at the class’s finished work at the end of the day

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Gorgeous work produced by the students pinned up on the critique board

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Michael talks about successes and things to work on with the students

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Beautiful work by Lloyd Matthews

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Luminous prints by Deb Alberty

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A delicate, icy print by our very own Business Manager, Debra Wilson!

Tintype Celebration at Art Intersection

A couple of weeks ago, Art Intersection hosted a Wet Plate Collodion Tintype Workshop and Open Studio! Students were led by David Emitt Adams and assisted by Claire A. Warden, both experts in this captivating 19th century process. Wet plate collodion was among the first widely-used photographic processes, used predominantly during the Civil War era. The nature of the process requires that collodion be hand-poured on a blackened metal plate, sensitized with silver nitrate, and exposed, then back into developing and fixing baths before the coating dries – hence the process’s name. During the workshop, students got individualized help with their coating, exposure, and processing. The following day, artists attended the open studio for a chance to try the process on their own; David and Claire were on hand to help as needed.

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For a proper exposure, wet plate collodion requires either very bright light or a long exposure. David has rigged a special chair designed to help portrait sitters keep very still during the exposure time of 6-8 seconds, much like the chairs and props 19th century photographers used.

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The following weekend, David and Claire returned to take wet plate collodion studio portraits! Couples, families, and individuals made appointments to have their picture taken, 19th-century-style.

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Ryuijie Teaches Platinum/Palladium Printing

This past Saturday, October 31 we were honored to have California artist Ryuijie teach the art of platinum/palladium printing to 11 members of the Art Intersection community. This 19th century process has long been revered for its tonal depth and archival qualities. Ryuijie demonstrated two different printing styles – the ABC and Na2 methods, both of which he uses in his artistic practice. Participants mixed their chemistry, hand-coated fine art paper, let it dry, and exposed their paper using a digital negative and UV light. It was inspiring to see the workshop participants quickly pick up a new technique which might have a lasting place in their artistic skill set! With a little experimenting and practice, the students used this luminous process to make some beautiful work.

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Mario Sanchez holds up his freshly hand-coated paper

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Jeff Welker coats his paper

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Participants process their prints in developing and clearing baths

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BK Skaggs assesses the exposure of his print

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Finished platinum/palladium prints drying

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Participants discuss their results at the end of the day

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