Penta Prism
|
BK7 |
|
Penta prism can deviate an incident beam |
without inverting or reversing to 90°. It is commonly used in Plumb Level, Surveying, Alignment, Range finding and Optical Tooling.| Size(mm) | Part No. | ||
| 1 min. deviation | 30 sec. deviation | 10 sec. deviation.431.0 | |
| 5.0 × 5.0 | PTP1205 | PTP0105 | PTP1105 |
| 10.0 × 10.0 | PTP1210 | PTP0110 | PTP1110 |
| 15.0 × 15.0 | PTP1215 | PTP0115 | PTP1115 |
| 25.0 × 25.0 | PTP1225 | PTP0125 | PTP1125 |
Specifications:
| Material: | BK7 Grade A optical glass |
| Dimension Tolerance: | +0/-0.2mm |
| Bevel: | 0.2mm to 0.5mm × 45° |
| Clear Aperture: | >80% |
| Surface Quality: | 60/40 Scratch and Dig |
| Flatness: | lambda/4 at 632.8 nm |
| Reflectivity: | R>95% per face |
| 90° deviation tolerance: | As table |