Sequence viewing > Index - Alternative Photo Emulsions - Resource - © Lloyd Godman

Hybrid photobased Prints

• Van Dyke Brown over pigment - single image - several figures on a ground.

– here a pigment print is created on the paper, then the paper is coated with a photosensitive Van Dyke Brown emulsion.

Once dry, a contact negative is placed on top of the pigment image which is then exposed to light and processed in water.

The print is the new fixed in a weak solution of hypo. The print is the washed in fresh water for about 3/4hr. Van Dyke Brown emulsions produce dark brown coloured prints - so they suit earthy colored subjects. Again a channel with these darker tones can simply be dropped from a single image when pigment printing and replaced with a Van Dyke Brown emulsion over print- or the background can be printed from another image.

Where it appears that exposed areas of the Cyanotype emulsion wash off the pigment print - the Van Dyke emulsion tends to remain on top of the pigment discolouring it, so you need to create dense areas on the negative where you want the emulsion to wash off.

In this contact negative the areas printed onto the paper with pigment have been blacked out - this stops UV light effecting the emulsion and leaves the colours in these areas vibrant.
Areas of the image intended to be revealed as a Van Dyke emulsion can be subtly printed with pigment by reducing the opacity of this layer to about 85% in photoshop. This produces a combination of pigment and Van Dyke Brown in these areas.




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