| 摘要 |
A portable light (100) may comprise: a light body (120) and a light source (140) supported thereby and selectively energizable for producing light; a switch (160) for selectively energizing the light source (140); a TIR optical element (200) disposed in front of the light source (140) for receiving the light produced thereby, and for forming the light into a collimated beam of light, the TIR optical element (200) having a recess (250) in a forward face (220) thereof; and a selectable beam modification element (300) placeable into and removable from the recess (250) in the forward face (220) of the TIR optical element (200). |
