Tag: revelação

Revelação alterada “push/pull” ou “puxar o filme/ISO”

jun 22, 2020

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por

Roger Sassaki

em Analógico

Aqui vai uma explicação rápida sobre exposição e revelação alterada para filmes preto e branco e cor, popularmente chamada de “puxar o filme”. Não se preocupem muito com os termos push/pull pois são analogias não muito técnicas. O importante é entender o que está acontecendo. Muitas pessoas associam estes termos ao ato de fotografar somente,…
Fórmulas para Calótipo – Revelador de Ácido Gálico

mar 15, 2013

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por

Roger Sassaki

em Fórmulas úteis

Essas duas fórmulas são para a revelação do Calótipo Úmido. Foram retiradas e traduzidas do livro de Alan Green, Primitive Photography: A guide to make cameras, lenses, and calotypes. As fórmulas estão aqui descritas para uma referência rápida, a leitura do livro é recomendada. As observações são do autor do livro.

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Tag: revelação

Revelação alterada “push/pull” ou “puxar o filme/ISO”

Fórmulas para Calótipo – Revelador de Ácido Gálico