acutance

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09:54 Apr 13, 2010
English to Dutch translations [PRO]
Art/Literary - Photography/Imaging (& Graphic Arts)
English term or phrase: acutance
Definition from photographytips.com:
A measure of the sharpness with which the film can produce the edge of an object.

Example sentence(s):
  • In broad terms, digital really out performs film in rendering high acutance images. In theory, pixels side by side, could make abrupt changes in contrast. However film, with its layers of silver halide crystals, can never render the same degree of edge sharpness. Mark Cassino
  • The acutance is the geometric mean of the slope of the edge trace divided by the overall density difference. Acutance in a photographic emulsion depends to a large extent on the nature of the developer used. Net Industries and its Licensors
  • One often quoted property of Rodinal is that it increases the grain of the film, that isn't true. At the 1:25 dilution the developer will give you very similar results to any general purpose developer in both apparent grain and acutance, higher dilutions will show progessively more grain along with increased accutance. Mark Antony Smith
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Summary of translations provided
5contourscherpte
Henk Hofman (X)
4scherpte
Lucien van Valen, PhD (X)


  

Translations offered


41 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
scherpte


Definition from Wim van Velzen, fotografie:
Hoe lager de filmgevoeligheid, hoe groter de scherpte. En hoe groter het film (of chip) oppervlak, hoe groter de scherpte van de uiteindelijke afdruk.

Example sentence(s):
  • Toch betekent dit niet dat je altijd ISO100/21 zult gebruiken op een 9x12cm negatief, als je veel scherpte wilt. - Wim van Velzen  
Lucien van Valen, PhD (X)
Local time: 17:38
Native speaker of: Native in DutchDutch
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23 hrs   confidence: Answerer confidence 5/5
contourscherpte


Definition from Duimdog.nl:
•Contourscherpte (Acutance). Hieronder verstaat men de snelheid van overgang tussen "wit" en "zwart".

Example sentence(s):
  • Contourscherpte Contourscherpte heeft te maken met contrast, en dan voornamelijk het contrast tussen nabijgelegen pixels. Lichte pixels die dicht in de buurt van donkere pixels liggen worden door het menselijk oog en brein als een rand gezien. Hoe sneller de overgang van licht naar donker (hoe groter het contrast), des te sterker de randen lijken en hoe scherper de foto lijkt. - digitalefotografietip.nl  
  • Door de effectief gecoate anti-halo laag, heeft de film een zeer goede resolutie en hoge contourscherpte. - Forohuis Rovo  
  • Het scherpte-effect van een beeld wordt op zijn beurt weer sterk bepaald door de contourscherpte, d.w.z. hoe klein het overgangsgebied tussen licht en donker op de contouren van het beeld is. - Leica X1 Gebruiksaanwijzing  
Henk Hofman (X)
Netherlands
Local time: 17:38
Native speaker of: Dutch
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