Product type: Optical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGB303.
Overview
Anti-Reflective Coating LED Optical Lens Hmc Coating Lens Glass Sheet: an optical lens made from Fused Silica,K9,B270. Optical / electrical data: transmittance >95%. Coating: Polishing, Coating. Typical applications: Lighting, Medical, Optical and Photography. 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 |
| Clear Aperture | 90% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGB303 |
| Lenses Color | Clear |
| Focal Length Tolerance | ±2% |
| Dimension Tolerance | +0/-0.1mm |
| Irregularity of Fringes | 0.2-0.5 |
| Supplier | Nanyang Kylin Special Glass Co., Ltd. |
Technical data
| Material | K0,fused silica,etc. |
|---|---|
| Focal length | ±2% |
| Dimension tolerance | +0/-0.1mm |
| Center thickness | ±0.1mm |
| Centration | 3' |
| Fringes | 1-5 |
| Irregularity of fringes | 0.2-0.5 |
| Surface quality | 60/40 |
| Coating | AR coating |
| Clear aperture | 90% |
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 “0.2-0.5”; 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 Flat Glass Polishing Process for Precision Substrates. For an application example, read Custom LED Cover Glass for Home Appliance Indicator Panels. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Custom LED Package Glass Cover Plate.
