Antihalation
Definition
Serving to prevent, reduce, or eliminate the formation of a parasitic halo around highly illuminated points on a photographic or radiographic image. In a technical sense, it refers to special films or light-absorbing layers applied to the film base to prevent the internal reflection of rays back through the emulsion.
Bilingual Equivalents
- Antihalation
- Anti-halo
Grammatical & Source Details
| Inflection Type | Invariable adjective or regular neuter noun with standard technical plural adaptations. |
| Formation | Prefixal compound combining the functional particle 'anti-' with the international base noun 'halo'. |
| Spelling / Pronunciation | [ˌæn.ti.ˈheɪ.loʊ] |
| Source | Encyclopedia of Photographic Technology and Material Science |
Contextual Usage Examples
RO: Producătorul a adăugat un strat chimic antihalo pe spatele filmului negativ pentru a asigura o claritate maximă a contururilor.
EN: The manufacturer added an antihalo chemical layer to the back of the negative film to ensure maximum sharpness of contours.
RO: Pentru radiografii medicale de înaltă precizie, se recomandă folosirea unei pelicule cu proprietăți active antihalo.
EN: For high-precision medical radiographs, using a film with active antihalo properties is highly recommended.
RO: Acest filtru digital simulează perfect efectul unui ecran protector antihalo utilizat în cinematografia clasică.
EN: This digital filter perfectly simulates the effect of an antihalo protective screen used in classical cinematography.
Idioms & Phrases
Strat antihalo / Antihalation coating
RO: Peliculă fină, colorată sau opacă, aplicată pe suportul filmului pentru a absorbi lumina care trece prin emulsie.
EN: A thin, colored or opaque backing applied to film to absorb light that passes entirely through the emulsion.
Peliculă cinematografică antihalo / Antihalation motion picture film
RO: Material fotosensibil tratat special pentru filmările de noapte unde sursele de lumină intensă pot provoca reflexii difuze.
EN: Photosensitive material specially treated for night shoots where intense light sources can cause diffuse reflections.
Efect structural antihalo / Antihalation structural effect
RO: Proprietate fizică a unui ansamblu optic de a împrăștia razele reflectate parazit fără a compromite focalizarea principală.
EN: Physical property of an optical assembly to scatter parasitically reflected rays without compromising the main focus.
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