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1: The focusing structure is not limited by distance 2: Excellent uniformity 3: The maximum fine can reach 30um
1: The focusing structure is not limited by distance 2: Excellent uniformity 3: The maximum fine can reach 30um
1: The focusing structure is not limited by distance 2: Excellent uniformity 3: The maximum fine can reach 30um
1: The focusing structure is not limited by distance 2: Excellent uniformity 3: The maximum fine can reach 30um
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