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Roof Prisms |
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AddDate:2010/2/8 16:33:00 |
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Specification: Material: BK7 Grade A Optical Glass or equivalent Optical Glass Dimension Tolerance: +0.0, -0.2 mm Clear Aperture: >80% Angle Tolerance: ¡À 3 arc min Flatness: ¦Ë/2 @632.8 nm Surface Quality: 60-40 scratch and dig Protective Bevel
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