Unblinking Eye
                            Wetplate Collodion Photography
Ambrotype effect

Figure 14.  The ambrotype effect.  When an underexposed collodion glass negative is backed by a dark material an optical reversal in tones occurs producing a positive view of the image.  Here a glass plate has been lain over a sheet of black interleaving paper and the objects reflectively scanned.

Copyright 2008 by Joseph Smigiel
unless otherwise noted.

 

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