Pentagonal Prism
PRODUCT CATEGORIES
INOUIRY
Pentagonal prism is one of the beam steering devices with fixed angle (90 °). It has two purposes: first, the outgoing light turns the incident light to a certain angle (90 °) regardless of the incident angle on the first side; Second, unlike a right angle prism, its image has neither rotation nor specular reflection. Pentaprism is commonly used in camera viewfinder, image observation system or measuring instrument.
Technical Parameters With Penta Prism
| Items | Parameters |
|---|---|
| Material | BK7 class optical glass |
| Diameter | 3mm-300mm ± 0.1mm |
| Center thickness tolerance | ± 0.05mm (we can process to ± 0.01mm with high precision) |
| Surface accuracy | λ/ 10 |
| Surface quality | 60/40 |
| Coating | The reflective surface is aluminum-plated + black paint protected, and the incident and exit surfaces are coated with a single layer of MgF2 anti-reflection film |
Spectral Curve With Penta Prism
Inventory Parameters With Penta Prism
| A (mm) | B (mm) | C (mm) | D (mm) | Beam Deflection Angle |
|---|---|---|---|---|
| 5 | 5 | 5 | 5.45 | 90°+-3′; 90°+-30″ |
| 10 | 10 | 10 | 10.82 | 90°+-30″ |
| 20 | 20 | 20 | 21.65 | 90°+-30″ |
| 30 | 30 | 30 | 32.47 | 90°+-30″ |
| 40 | 40 | 40 | 43.3 | 90°+-30″ |
If you need to purchase stock or customize a Penta Prism, please contact our sales team:
info@corisuns.com
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