| 摘要 |
An illumination device (1) for illuminating an object comprising a light source (2) to emit light (21), an adjustable optical element (3) for adjusting the light (21) originated from the light source (2) into adjusted light (31), and a controller (4) for controlling at least one element of a group of elements comprising the adjustable optical element (3) and the light source (2) in reponse to an adjusting control signal (71) via at least one driving signal (75, 76).
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