Gaslight paper - Gaslight paper
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Photographic paper for contact printing coated with a low-sensitivity emulsion using silver chloride as the photosensitive material. It is so named because it can be handled under gas lamps without being exposed to light. It has also been called chloride paper or silver chloride paper. It has about 1/30 to 1/50 the sensitivity of high-sensitivity chlorobromide paper (for enlarged prints). Its ISO sensitivity is P12 to P16. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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塩化銀を感光物質とした低感度乳剤が塗布されている密着焼付け用写真印画紙。ガス灯下でも感光することなく取扱えたことから，この呼び名がある。クロライド紙あるいは塩化銀印画紙と呼ばれたこともある。高感度のクロロブロマイド紙 (引伸しプリント用) に比べ 30～50分の1程度の感度をもっている。 ISO感度にして P12～P16。
出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報 |
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