...When a photosensitive material is sensitive to light in the near ultraviolet to yellow wavelength range, it is called orthochromatic, or simply ortho, and such a film is called orthochromatic film. When it is sensitive to red light, it is called panchromatic, and such a film is called panchromatic film. Other factors that govern the quality of an image recorded on film include the clarity of the details of the photographic image (resolution, sharpness, graininess), push-developability (the ability to form an image of appropriate density during development even with insufficient exposure), and color reproduction in color photography. *Some of the terminology that mentions "panchromatic film" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…感光材料が近紫外部から黄色の波長範囲の光に対して感度をもつことをオルソクロマティックorthochromatic,または単にオルソといい,そのようなフィルムをオルソフィルムorthochromatic filmと呼ぶ。さらに赤色光まで感度をもつことをパンクロマティックといい,そのようなフィルムをパンクロフィルムpanchromatic filmという。フィルムに記録された画像の品質を支配する因子としては,このほかに写真像の細部の明りょうさ(解像力,鮮鋭度,粒状性),増感現像性(露光量不足でも,現像において適度の濃度の画像が形成できる性質)およびカラー写真での色再現性などがある。… ※「panchromatic film」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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