| 摘要 |
An optical lens module includes a lens barrel and a barrel base. The lens barrel includes an external wall. The barrel base has a receiving housing for receiving the lens barrel therein. The receiving housing includes an internal wall. The lens barrel defines at least a first positioning block or at least a second positioning slot at the external wall along a longitudinal axis of the lens barrel. The receiving housing defines at least a first positioning slot corresponding to the first positioning block or at least a second positioning block corresponding to the first positioning slot at the internal wall of the receiving housing.
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