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Art/Literary - Photography/Imaging (& Graphic Arts)
Additional field(s): Printing & Publishing | | English term or phrase: halation | Definition from Neenah Paper, Inc. :
In photography, a blurred effect, resembling a halo, usually occurring in the highlight areas or around bright objects.
Example sentence(s): - Use your wide-open CA test shot, and examine the branches. If they have a translucent look, it’s probably due to halation. Colours Magazine
- Halation creates secondary ghost images in the film, which to photographers is bad because they are a by-product of unintentional light and film interaction. anbstudio
- To combat halation, film manufacturers treat the base of the film to reduce or nullify reflections. Grey base is a film base permanently dyed a low density grey colour, this reduces reflection back into the emulsion and light-piping within the base. National Film and Sound Archive
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| Lichthofbildung | Definition:
Langenscheidt Fachwörterbuch Technik und angewandte Wissenschaften
Lichthofbildung (phot) = halation
http://books.google.com/books?id=JXdZIiq2wdEC&pg=PA1117&lpg=...
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Patent DE69203642T2 21.12.1995 Fuji Film Co.
"Bei der Herstellung der Primer-Schicht (Haftschicht) können verschiedene Materialien verwendet werden zur Verbesserung der Haftung zwichen dem Substrat und der photopolymerisierbaren lichtempfindlichen Schicht, um eine Halation (Lichthofbildung) zu verhindern, um die Bilder anzufärben und/oder die Druckeigenschaften der resultierenden lithographischen Druckplatte zu verbessern."
http://74.125.155.132/search?q=cache:i6jTyQMSh-0J:www.patent...
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Produktbeschreibung, Feinstkornfilm efke 50
"Single Layer Filme schützen sich nicht selbst vor zuviel Lichteinfall. Daher sind sie etwas empfindlicher gegen Überbelichtung aber extrem scharf weil keine Lichthofbildung zwischen den Schichten stattfindet. Sie haben außerdem ein hervorragendes Schwarzschildverhalten."
http://74.125.155.132/search?q=cache:QluC6GEIdSIJ:www.blende... |
| Selected response from:
 Nicole Schnell
United States
| Grading comment | 4 KudoZ points were awarded for this answer |
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1 hr confidence:   peer agreement (net): +2
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