Product type: Triangular Prism. Application: Lighting, Medical, Optical, Photography. Model: RAY-LH157#.
Overview
The Triangular Prism/Dispersion Prism/Deflection Prism/Optical Prism is supplied as an optical prism made from Optical Glass. Listed geometry: triangular prism shape. Optical / electrical data: wavelength 488-694 Nm/700-950nm. Coating: Dielectric Coating; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. Listed for Lighting, Medical, Optical and Photography applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Triangular Prism |
| Shape | Triangular Prism |
| Wavelength Range | 488-694 Nm/700-950nm |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | RAY-LH157# |
| Surface Flatness | Lambda/10 at 632.8nm with Power Removed |
| Coating Type | Dielectric Coating |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Dielectric Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts.


