手机验证

道威棱镜

Specifications
Material: BK7 Grade A optical glass
Dimension Tolerance: +0.0, -0.2 mm
Clear Aperture: >80%
Angle Tolerance: ± 3 arc minutes
Flatness: λ /2 @633 nm
Surface Quality: 60-40 scrach and dig
Bevel: 0.2 mm to 0.5 mm
Coating: Uncoated
道威棱镜
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