V2EX lighting ratio

Lighting Ratio

释义 Definition

lighting ratio(灯光比/明暗比):在摄影、影视灯光中,用来表示主光(亮部)与补光(暗部)之间亮度差异的比例(常写作 2:1、4:1、8:1 等)。比值越大,对比越强、阴影越深;比值越小,光线越均匀、阴影越淡。该术语在不同语境下也可能泛指“亮部与暗部的对比程度”。

发音 Pronunciation

/lat reio/

例句 Examples

A 2:1 lighting ratio gives a soft, natural look.
2:1 的灯光比会带来柔和、自然的效果。

In the interview scene, the director chose a 4:1 lighting ratio to add depth while keeping the subject’s face readable.
在采访场景中,导演选择 4:1 的灯光比来增加层次感,同时保证人物面部细节仍清晰可见。

词源 Etymology

lighting 来自 light(光)+ -ing,表示“与照明/打光相关的”。ratio 源自拉丁语 ratio,意为“比例、比率”。合起来指“照明强度之间的比例关系”,在摄影与电影工业中常用来量化画面的明暗对比与阴影力度。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Light: Science & Magic(Fil Hunter, Steven Biver, Paul Fuqua)摄影布光经典教材,讨论对比、阴影控制与比例思路。
  • Cinematography: Theory and Practice(Blain Brown)影视摄影教材,常以“亮暗对比/布光对比”框架讲解类似概念。
  • The Five C’s of Cinematography(Joseph V. Mascelli)电影摄影入门经典,涉及用光对比来塑造情绪与造型。
  • Lighting for Digital Video and Television(John Jackman)电视与视频照明教材,涵盖主光/辅光关系与画面对比控制。
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