Term - Halation
|Halation||SWPP and BPPA Photographic Glossary|
Wednesday 20th August 2014
A diffused ring of light typically formed around small brilliant highlight areas in the subject. It is caused by light passing straight through the emulsion and being reflected back by the film base on the light sensitive layer. This records slightly out of register with the original image.
Information provided by: SWPP BPPA
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