Product type: Cylindrical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGO108.
Overview
The Custom Optical Bk7 Borosilicate Glass Concave Cylindrical Optical Glass Biconcave Lens is supplied as an optical lens made from Fused Silica,Bk7,B270. Optical / electrical data: transmittance >95%. Coating: Polishing, Coating; temperature 1200 Degree. Listed for Chemical, Glass and Optical 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 |
| Clear Aperture | 90% |
| Application | Chemical, Glass, Optical |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGO108 |
| Lenses Color | Clear |
| Operating Temperature | 1200 Degree |
| Center Thickness | ±0.1mm |
| Supplier | Nanyang Kylin Special Glass Co., Ltd. |
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 — 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 Fused Silica and Other Glass Materials for Machined Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. 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 BF33 Microfluidic Glass Chip for Rapid Testing.


