| 摘要 |
An exemplary focusing mechanism ( 100 ) for focusing a lens module includes a testing apparatus ( 10 ) and a processor ( 20 ), the testing apparatus includes a first testing chart ( 12 ) and a second testing chart ( 14 ), the first testing chart and the second testing chart are movably placed in an incident light path of the lens module, the processor is connected to the testing apparatus. Two exemplary focusing methods for focusing a lens module are also provided, each method using the focusing system.
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