V2EX direct light

Direct Light

释义 Definition

直射光;直接光:来自光源、几乎不经反射或散射就照到物体上的光(常用于摄影、照明与绘画语境)。常与 indirect light(间接光/散射光) 对比。

发音 Pronunciation (IPA)

/drkt lat/(也常听到 /darkt lat/)

例句 Examples

Direct light can make the colors look harsher.
直射光会让颜色看起来更刺眼。

In direct light, the subject casts a sharp shadow, so photographers often soften it with a diffuser.
在直射光下,被摄体会投下清晰的硬阴影,因此摄影师常用柔光罩来把光线变柔和。

词源 Etymology

direct 来自拉丁语 directus(“笔直的、指向明确的”),引申为“直接的、无中介的”;light 源自古英语 līht(“光”)。组合起来,direct light 字面即“直接照过来的光”。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Light Science & Magic: An Introduction to Photographic Lighting(摄影布光经典教材,常讨论 direct light 与漫射光的差异)
  • The Photographer’s Eye(Michael Freeman,摄影构图与用光类著作中常见该术语)
  • Interaction of Color(Josef Albers,艺术与视觉研究语境中常涉及直射光对色彩观感的影响)
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