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N-BK7 trapezoidal prism surface gold-plated optical glass for precision optical instruments
Specifications:
- Surface: 60/40
- Shape: Irregular Shape
- Origin: CN(Origin)
- Material: K9
- Dimension Tolerance: +-0.1MM
- Certification: CE
- Angle Tolerance: 3'
- Free shipping
- 100 days returns
- Low prices
- 5 million products