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25*25*80mm Crystal Glass Triple Triangular Equilateral Prism Physics Teach Light Spectrum
Specifications:
- Surface: 60/40
- Size: 25*25*80mm
- Shape: triangle
- Origin: CN(Origin)
- Model Number: Equilateral triangle prism
- Material: BK7H-K9L
- Flatness: lambda/4
- Dimension Tolerance: 0.01-0.1
- Angle Tolerance: 3 '
- Certification: CE
- Free shipping
- 100 days returns
- Low prices
- 5 million products