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- In photography, a blurred effect, resembling a halo, usually occurring in the highlight areas or around bright objects. Neenah Paper, Inc.
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- 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 by
- 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 by
- 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 by
Compare [close] - Romanian
- Photography/Imaging (& Graphic Arts)
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- Zonă luminoasă care încercuiește imaginea fotografică a unui punct strălucitor DEX - by Veronica Lupascu
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- si am vazut un fenomen optic rar - un halo in jurul soarelui! Se formeaza un halo atunci cand refractia razelor luminoase se face pe cristale de gheata si nu pe picaturi de apa, ca in cazul curcubeului. Fara un filtru la aparatul foto, sau macar niste ochelari speciali, nu poti observa decat niste arce ale haloului circular. - Blog by Veronica Lupascu
- Noapte cu Stele. A fost denumită astfel pentru că amintea astronomilor de pictura lui Van Gogh cu acelaşi nume. Este un halo de lumină din jurul unei stele din galaxia noastră. - Stiinta azi by Veronica Lupascu
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Compare [close] Compare [close] - Portuguese
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- Trying to remember the photography classes I took years ago, the most familiar term it comes to my mind is 'halo,' which corresponds to the second meaning of halation in the Online Merriam-Webster Dictionary (http://www.merriam-webster.com/dictionary/halation).
ha•la•tion n.
1. A blurring or spreading of light around bright areas on a photographic image.
2. A glow around a bright object on a television screen.
In some cases, instead of 'halo,' it is possible to use 'auréola,' both terms relating to rounded light/ optical effects. The Portuguese definition of 'halo' can be found at Priberam's Dicionário da Língua Portuguesa (http://www.priberam.pt/DLPO/default.aspx?pal=halo):
halo
(latim halos, -o, do grego latim hálos, -o, eira, grão na eira, disco do Sol ou da Lua)
s. m.
1. Círculo luminoso que às vezes se nota em volta do Sol e de alguns planetas devido a certo estado da atmosfera.
2. Círculo que rodeia o mamilo.
3. Fig. Auréola.
4. Brilho
5. Prestígio, glória.
I came across a few options to translate halation as a technical photography term:
1) First, it is possible to keep the original term in English, although most of the occurrences I found of this use actually refer to 'anti-halation' (backing or coating) and not to the word 'halation' alone
2) The Dicionário Editora de Português-Inglês (Porto Editora, 2009) translates halation as 'halação,' but gives no examples and no further explanation (http://www.infopedia.pt/portugues-ingles/hala%C3%A7%C3%A3o )
3) Professor Enio Leite Alves, from Sao Paulo University (Usp), mentions 'halo,' 'ofuscamento,' and 'efeito de neblina luminosa' on his 'Glossário Fotográfico' (http://stoa.usp.br/escolafocus/weblog/49774.html)
4) Finally, the most common Portuguese terms used in reference to halation seem to be 'halo' (again) and 'efeito de halo.' The latter is also used in psychological studies, I believe, as well as in graphic arts (referring to the printing process) but it appears quite frequently in photography.
Own research - by Lu M (X)
- Example sentence(s)
- "Finalmente, ligada à base de acetato por mais uma camada de adesivo, vem a camada anti-halo, que tem por finalidade evitar que os raios de luz que atravessam a emulsão sejam refletidos e causem halos nas partes claras da fotografia." - Girafamania by Lu M (X)
- "Uma diferença quase imperceptível na grossura da gelatina pode resultar, dependendo da iluminação da cena, num ponto ou numa faixa difusa no material projetado; numa área mais clara dentro do enquadramento; numa área opaca; ou num efeito de halo." - Mnemocine by Lu M (X)
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Compare [close] - Serbian
- Photography/Imaging (& Graphic Arts)
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- Halo-efekat u optici (i u fotografiji) je pojava zamagljenosti, rasplinutosti kontura - slično oreolu. Obično se javlja oko svetlih površina ili oko sjajnih objekata. Own research - by V&M Stanković
- Example sentence(s)
- Filtar Solarize meša negativ i pozitiv slike, što kao rezultat daje tzv. halo efekat. - CET by V&M Stanković
- NXP, kompanija koju je osnovao Philips je predstavila prvo postprocesorsko integrisano kolo koje uklanja halo efekat iz slike na HDTV uređajima. NXP PNX5100 Motion Accurate Picture Proccesing tehnologija omogućava proizvođačima televizora da unaprede sliku visoke definicije na LCD televizorima. - ITsvet by V&M Stanković
- Da se u atmosferi događa nešto neobično registrovao je i jedan američki amater-astronom kada je 22.11.2009. snimio Sunce iznad Misisipija i video da zraci formiraju tri halo-efekta, iako Sunce, poznato je, ima samo jedan. Ovaj halo-efekat nastaje kada se zbog prelamanja svetla koje prolazi kroz ledene čestice u atmosferi oko Sunca ili Meseca vidi svetleći oreol. - Tabloid by V&M Stanković
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- Compare this term in: Albanian, Czech, German, Spanish, Persian (Farsi), French, Hungarian, Italian, Japanese, Portuguese, Slovak
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