For penta prism, the deviation angle of 90° is independent of the orientation of the prism, thus it is particularly important and wide in application which the prism orientation cannot be precisely controlled. We can supply high dimension and angle control penta prism. The coating or painting is designed by customer according to it is detailed application.
| SPECIFICATION | |
| Material | BK7 grade A optical glass |
| Dimension (h) Tolerance | ±0.1mm |
| Dimension (A) Tolerance | ±0.2mm |
| Clear Aperture | >80% |
| Surface Quality | 60-40 scratch and dig |
| 90° Deviation Tolerance | < 30 arc sec., up to 5 arc sec. |
| Flatness | λ/2@632.8 nm(Standard), up to λ/4@632.8 nm |
| Reflectivity | R>95% per face@630-680 nm |
| Protective Bevel | 0.25mm x 45° |
| BK7 Penta Prism | ||||
| A x h (mm) | 1 min.deviation | 30 sec.deviation | 10 sec.deviation | 5 sec.deviation |
| Part No. | Part No. | Part No. | Part No. | |
| 7 x 6 | SPP101 | SPP201 | SPP301 | SPP401 |
| 8 x 8 | SPP102 | SPP202 | SPP302 | SPP402 |
| 10 x 10 | SPP103 | SPP203 | SPP303 | SPP403 |
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