Product type: Ball Lens. Application: Optical.
Overview
The Optical Glass Half Ball Lens is supplied as an optical lens made from Optical Glass. Listed geometry: ball lens shape. Optical / electrical data: transmittance >95%. It is used in Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Ball Lens |
| Shape | Ball Lens |
| Transmittance | >95% |
| Usage | Optical |
| Lenses Color | Clear |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter Tolerance | +0.0/-0.1mm |
|---|---|
| Thickness Tolerance | ±0.1 mm.. |
| Diameter Ellipticity | ±1mm |
| Surface Quality | 60/40 |
| Surface Accuracy | Lmbda/4-2 Lambda |
| Clear Aperture | >90% |
| Sphericity | <0.005mm |
| Coating | Customers Design |
| Material | BK7, Fused silica, CaF2, BaF2,ZnSe, Germanium, Silicon |
What to specify when you request a quote
- Material — listed as “Optical Glass”; 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 — 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 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).
