Product type: Cylindrical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGO108.
Overview
The Optical Glass Sapphire Fused Silica Cylindrical Plano Concave Lenses is supplied as an optical lens made from Fused Silica,Bk7,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,Bk7,B270 |
|---|---|
| Type | Cylindrical Glass Lens |
| Transmittance | >95% |
| Coating | Polishing, Coating |
| Surface Quality | 60/40 |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGO108 |
| Lenses Color | Clear |
| Centration | 3' |
| Dimen Sion Tolerance | +0/-0.1mm |
| Center Thickness | ±0.1mm |
| Supplier | Nanyang Kylin Special Glass Co., Ltd. |
Technical data
| Material | K9,fused silica,etc. |
|---|---|
| Focal length | ±2% |
| Dimen sion tolerance | +0/-0.1mm |
| Center thickness | ±0.1mm |
| Centration | 3' |
| Surface Quality | 60/40 |
| Clear Aperture | 90% |
What to specify when you request a quote
- Material — listed as “Fused Silica,Bk7,B270”; name the glass or crystal.
- Geometry — 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 — listed as “3'”; 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 Fused Silica Wafer Production: A Step-by-Step Manufacturing Guide. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
