Product type: Cylindrical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGO108.
Overview
China Double Concave Optical Small Irregular Cylindrical Glass Lens for Optical Instrument: an optical lens made from Fused Silica,Bk7,B270. Listed geometry: single-lens shape. Optical / electrical data: transmittance >95%. Coating: Polishing, Coating; temperature 1200 Degree. Typical applications: Chemical, Glass and Optical. 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 |
| Shape | Single-lens |
| Transmittance | >95% |
| Coating | Polishing, Coating |
| Application | Chemical, Glass, Optical |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGO108 |
| Lenses Color | Clear |
| Operating Temperature | 1200 Degree |
| Focal Length | ±2% |
| Clear Quality | 90% |
| Supplier | Nanyang Kylin Special Glass Co., Ltd. |
Technical data
| Material | K9,fused silica ,etc. |
|---|---|
| Focal length | ±2% |
| Dimension 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 — listed as “±2%”; 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 “Polishing, Coating”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Selecting Fused Silica and Quartz Glass for Precision Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. 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).
