| 摘要 |
A range meter for a camera has a plurality of irradiation sources for irradiating beams in different directions, and a plurality of receivers for receiving reflected irradiation, the receivers providing outputs responsive to the point of the respective receiver that receives irradiation. In order to adapt the meter for measurement in different distance ranges, the outputs of the receivers are sensed in response to irradiation from different sets of the sources.
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