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

Alternative Photographic Processes - (Hand made photographic -emulsions and processes)

Cyanotype - Negative and exposure tests

Consider that each process reacts to light in a different manner, and because of this preparing a negative for the type of process and the desired effect can take time. For instance a negative that give a certain result with the cyanotype process may not give the same result with Gum bichromate or Van Dyke Brown.

If we create the negative digitally we can alter the contrast to suit the process

While we can alter the degrees of contrast - added or subtracted - in photoshop as a reference we can also utilize a profile which can be dropped in.

We can also create and add a tonal chart along side the image, which allows us to gauge the density of the image in relationship to the negative and the exposure.

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