Product type: aspheric. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
Largest Sizes Focal Lengths Optical Coating Precision Aspheric Lenses is an optical lens made from Optical Glass. Listed geometry: round shape. Optical / electrical data: transmittance >95%. Coating: coated/Uncoated. Typical applications: Lighting, Medical, Optical, Photography and Astronomy. 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 | aspheric |
| Shape | round |
| Transmittance | >95% |
| Coating | coated/Uncoated |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Other inspections | Other opticss CPG handle |
| CPG is also an ISO | 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers. |
| Package detail | Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Aspheric Lens | Material: | Schott N-BK7,Silicon,Germanium,II-VI ZnS,II-VI ZnSe or other optical materials |
| Range of diameter(mm) | Dia.2.5- Dia.1000 | |
| Tolerance of diameter(mm) | +/-0.1, +/-0.01, +/-0.005 etc | |
| Tolerance of thickness(mm) | +/-0.1, +/-0.05, +/-0.01 etc | |
| EFL tolerance | +/-1%,+/-0.5%,etc | |
| Asphere figure error P-V | <1µm,<3µm,etc | |
| Surface form deviation RMS | ≤0.5 µm,etc | |
| Surface quality | 20-10, 40-20, 60-40 etc | |
| Clear aperture | >90% | |
| Chamfer | as required | |
| Coating | Customized |
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 — listed as “coated/Uncoated”; 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 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).
