Optical Flat Parallel Glass Plate PI-120 D=120mm USED USSR Flächig Glass Platte

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Seller: tubesrsd (596) 100%, Location: Moscow, Ships to: Worldwide, Item: 323982306130 Optical Flat parallel glass Plate PI-120 WITHOUT - factory packaging.WITHOUT - certificate of verification WITHOUT - technical description and instructions diameter: 120 mmheight: 30 mm made in USSR ***Glass plate - pre-owned.The first side - has scratches and damage.The second side is in excellent condition (probably this side of the plate is not used). Used to assess the flatness and lapping of surfaces. Verification results (for information and specifications).- Deviation from the flatness of the working surface: -0.07 μm- Local deviations from the flatness of the working surface: 0.02 μm* Values may vary slightly (within tolerance - by grade 2 accuracy)or- Tolerance of the flatness of the working surface: 0.3 interference fringe- Local deviations from the flatness of the working surface: 0.1 interference fringe* Values may vary slightly (within tolerance - by grade 2 accuracy) The PI-120 plate is made of optical glass. The shape of the plate is a straight cylinder with flat end faces that are working surfaces. Condition: Used, Condition: Glass plate - pre-owned.The first side - has scratches and damage.The second side is in excellent condition (probably this side of the plate is not used)., Non-Domestic Product: No, Modified Item: No, Custom Bundle: No

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