Product type: Flat Lens. Model: reticle.
Overview
The Optical Glass Bk7 Customized Small Reticle is supplied as a waveplate / polariser / grating made from Optical Glass. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: 40/20. 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 | Flat Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | 40/20 |
| Model NO. | reticle |
| Lenses Color | Clear |
| Supplier | China Star Optics 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 — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “40/20”; list the band and reflectance or transmission target.
Engineering guides for this part
Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements. For dimensioning and inspection notes, see How to Specify Tolerances for Precision Glass Parts: A Design Guide.


