Prisms are an Aistana specialty. We manufacture to almost any design. Accuracy up to 2 arc seconds, and up to 10-5 surface finish. The types of prisms we make include:
Roof, Right angle, Equilateral, Wedge, Penta, Roof penta, Rhomboid, Custom shape to your specification, Micro Prisms from less than 1 mm
| maximum | minimum | |
| Diameter | 200 | 2 |
| Diameter tolerance | - | 0.02 |
| Clear aperture | 95% | - |
| Thickness | 200 | 0.1 |
| Thickness tolerance | - | 0.02 |
| Surface Figure | - | 0.1 |
| Surface Quality | 120-80 | 10-5 |
| Parallelism | - | 2 sec |
| Chamfer edges | - | 0.2 |
| Chips | - | 0.2 |