| 摘要 |
An illumination module (20) for illuminating an object (10) comprises a number of illumination rings (62, 64, 66) each comprising a number of radiation-generating elements (50) which are all arranged on a flat plate (42). For each ring, a light guide (72, 82, 84) is provided for guiding the radiation from the ring to the exit window (60) where the radiation exits at a range of angles which are specific to said ring. The rings can be switched on individually, so that different kinds of illumination can be realized.
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