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FreeSpirit (Shanghai) Precision Instrument Co., Ltd
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range of 0.460 mm × 0.612 mm, which provides an important evaluation basis for evaluating optical imaging quality and optimizing lens manufacturing processes.

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Convex Lens
Convex Lens
  • Roughness Standard Sample
    Roughness Standard Sample
  • Laser Marked Sample
    Laser Marked Sample
  • Lubricant Seal Cover
    Lubricant Seal Cover
  • Metal Groove
    Metal Groove
  • Metal Scratch
    Metal Scratch

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    FreeSpirit (Shanghai) Precision Instrument Co., Ltd
    EN
    中