| 摘要 |
The invention relates to a lamp having a base (11 to 15), in particular a screw-type, bayonet-type or plug-type base. According to the invention, the light source is a light-emitting diode (16, 26) or a group of light-emitting diodes, wherein an optical lens (17, 18, 28) or a lens system is arranged at the light-exit front face, and wherein the light source (16, 26) and the lens (17, 18, 28) or the lens system are arranged at variable distances. |
