Product type: Optical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGB303.
Overview
Beam Splitting Lenses, Anti-Reflection Ar Low Radiation Coated Glass is an optical lens made from Fused Silica,K9,B270. Optical / electrical data: transmittance >95%. Coating: Polishing, Coating; surface quality 60/40. 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 | Fused Silica,K9,B270 |
|---|---|
| Type | Optical Glass Lens |
| Transmittance | >95% |
| Coating | Polishing, Coating |
| Surface Quality | 60/40 |
| Clear Aperture | 90% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGB303 |
| Lenses Color | Clear |
| Focal Length | ±2% |
| Irregularity of Fringes | 0.2-0.5 |
| Supplier | Nanyang Kylin Special Glass Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Fused Silica,K9,B270”; name the glass or crystal.
- Geometry — listed as “±2%”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60/40”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Polishing, Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.


