半影




半影指发光体（非点光源）所发出光线部分被非透明物体阻挡后，在屏幕（或其他物体）上所投射出来的，本影周围较暗的区域。
此處發光體的光線部分被物体阻擋，而有部分乃至微弱的光線到此。


本影本影2



參見



  • 本影

  • 伪本影



Optic stub.svg  半影是一个與光學相關的小作品。你可以通过编辑或修订扩充其内容。







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