Product type: Cylindrical Glass Lens. Application: Lighting, Medical, Optical, Photography. Model: KGO108.
Overview
Customized Optical Glass Bk7 Large Plano-Concave Optical Cylindrical Glass Lens is an optical lens made from Fused Silica,Bk7,B270. Optical / electrical data: transmittance >95%. Coating: Polishing, Coating; surface quality 60/40; temperature 1200 Degree. It is used in 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 |
| Transmittance | >95% |
| Coating | Polishing, Coating |
| Surface Quality | 60/40 |
| Clear Aperture | 90% |
| Application | Chemical, Glass, Optical |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | KGO108 |
| Lenses Color | Clear |
| Operating Temperature | 1200 Degree |
| 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 — 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 Fused Silica and Other Glass Materials for Machined 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).


