Categoria: Digital

Fazendo o perfil de cor de um escâner com um cartão IT8

set 29, 2012

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por

Roger Sassaki

em Digital

Recentemente eu tive que reproduzir alguns documentos e decidi que já estava na hora de investigar um pouco mais a calibração de cor do meu escâner de opacos. Ele é bem antigo, um CanonScan N1220U que tem me servido bem. Vou descrever os passos mas infelizmente é necessário comprar algumas coisas. Nada muito caro e…
Papéis e branqueadores óticos

set 21, 2012

—

por

Roger Sassaki

em Digital

Quem imprime fotos fine-art já deve ter visto nas embalagens dos papéis a informação se eles têm ou não “branqueador óticos”, conhecidos também como Optical Brightening Agent (OBA). Muitos fabricantes de papel incluem um químico que transforma Ultra-violeta (UV) não visivel em luz visível. Desta forma, é possível dar a impressão de que o papel…

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Categoria: Digital

Fazendo o perfil de cor de um escâner com um cartão IT8

Papéis e branqueadores óticos