| 摘要 |
An exemplary camera module includes a barrel, a holder, and an image sensor assembly. The barrel forms an external thread on an outer surface thereof. At least one protrusion is formed along a circumferential direction on the outer surface thereof. The at least one protrusion and the external thread are arranged in an order written from an object side to an image side. An internal thread is formed on an inner wall of the holder to threadedly engage with the external thread of the barrel. The at least one protrusion contacts the inner wall of the holder but are slidable relative to the inner wall of the holder. The image sensor assembly includes an image sensor. The image sensor is received in the holder.
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