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Dimensions Tolerance
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±0.1mm
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Surface Flatness
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Round Surface:λ/4 at 632.8nm
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Other Surface: λ/10 at 632.8nm
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Wavefront Distortion
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λ/2 at 632.8nm
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Surface Quality
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40-20 S/D
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Clear Aperture
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＞85%
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Bevel
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0.2mm×45°
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Material
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BK7 and other optical glass
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Coating
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Protective coating and paint, etc.
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