Prism assembly is usually made up of three different prisms or together with flat
windows, to form a regular shape for easy assembly in the later stage. Prism assembly
is used to change the propagation direction of light beams. Below is a typical prism assembly.
Application:
- Endoscope

Specifications
| Material: | Optical glass |
| Dimension tolerance: | +/-0.02mm |
| Angle tolerance: | < 5 arc minutes |
| Surface quality: | 40-20 S/D |
| Flatness: | 3λ/2 @ 632.8nm |
| Coating: | |
| - Reflecting surface | Al coating, R > 92%; or Ag coating, R > 94% |
| - Exit surface | AR coating, R < 0.5% @450-650nm |
| Bevel: | < 0.1mm |
Prism assembly is usually made up of three different prisms or together with flat
windows, to form a regular shape for easy assembly in the later stage. Prism assembly
is used to change the propagation direction of light beams. Below is a typical prism assembly.
Application:
- Endoscope

Specifications
| Material: | Optical glass |
| Dimension tolerance: | +/-0.02mm |
| Angle tolerance: | < 5 arc minutes |
| Surface quality: | 40-20 S/D |
| Flatness: | 3λ/2 @ 632.8nm |
| Coating: | |
| - Reflecting surface | Al coating, R > 92%; or Ag coating, R > 94% |
| - Exit surface | AR coating, R < 0.5% @450-650nm |
| Bevel: | < 0.1mm |