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Optics
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Penta
prisms
Penta prisms are used to deviate an incident
beam 90° independent of small positional changes of the prism with
respect to the beam. The image is neither inverted nor reversed. |
| Specifications |
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| Material |
BK7 |
| Dimensional tolerance |
±0.1mm |
| Surface quality |
60-40 |
| Flatness |
l/4@632.8nm |
| Deviation tolerance |
15 arcsec |
| Bevel |
Protective bevel |
| Surfaces S1 & S2 |
Single layer MgF2 coating |
| Surface S3 & S4 |
Aluminized and painted black |
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Item# |
AxBxC(mm) |
L1=L2(mm) |
Unit price |
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PT1-05 |
5.0x5.0x5.0 |
7.07 |
$35.0 |
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PT1-06 |
6.0x7.0x7.0 |
9.90 |
$40.0 |
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PT1-10 |
10.0x10.0x10.0 |
14.14 |
$45.0 |
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PT1-15 |
15.0x15.0x15.0 |
21.21 |
$50.0 |
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PT1-20 |
20.0x20.0x20.0 |
28.28 |
$55.0 |
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PT1-30 |
30.0x30.0x30.0 |
42.42 |
$60.0 |
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Chinese 
