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| Products
-> Prism -> Half Penta Prism |
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| Half
Penta Prism |
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| Half
Penta prism is exactly an half cut from penta prism, it is widely
used in telescope. |
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- Material:
BK7 Grade A optical glass
- Dimension
Tolerance: ±0.2mm
- Angle
Tolerance: <30 arc seconds
- Flatness:
up to λ/4@632.8nm
- Surface
Quality: 60-40 scratch and dig
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| Roof
Half Penta Prism |
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| Roof
Half Penta prism is combined by half a penta prism and a totally internally
reflecting roof which is attached to one of reflective face of the penta. |
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| Specifications |
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Material: BK7 Grade A optical glass
- Dimension
Tolerance: ±0.2mm
- Roof
Angle Tolerance:
<10 arc seconds
- Other
Angle Tolerance: <30 arc seconds
- Flatness:
up to λ/4@632.8nm
- Surface
Quality: 60-40 scratch and dig
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