Half-Penta Prisms
Original price was: $147.50.$97.99Current price is: $97.99.
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Half-Penta prisms are used to deviate the line of sight by 45° without inverting or reverting the image. The reflecting surface is aluminized and over-coated with Inconel and black paint to increase efficiency. Combining a TECHSPEC® Half-Penta Prism with a corresponding size TECHSPEC® Schmidt Prism creates a Pechan prism pair. The Pechan prism pair will invert or revert the image while not deviating the line of sight. It can be used with converging or diverging light for system size reduction.
- Deviates Line of Sight by 45°
- Combine with Schmidt Prism to Create Pechan Prism
- Penta Prisms Also Available
| Coating | VIS 0° & Aluminized |
|---|---|
| Substrate | N-BK7 |
| Surface Quality | 40-20 |
| Dimensional Tolerance (mm) | ±0.10 |
| Angle Tolerance (arcmin) | ±3 |
| Bevel | Protective bevel as needed |
| Image Orientation | Right-Handed |
| Coating Specification | Entrance/Exit Faces: Ravg ≤0.4% @ 425 – 675nmReflecting Surface: Ravg >85% @ 400 – 700nm w/Black Overpaint |
| Ray Deviation (°) | 45 |
| Wavelength Range (nm) | 425 – 675 |
| Surface Flatness (P-V) | λ/2 |
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