Product type: Aspherical lens. Application: Lighting, Medical, Optical, Photography, Thermal imaging.
Overview
Factory OEM Custom Precision Aspherical Glass Lens by SPDT is an optical lens made from Optical Glass. Listed geometry: diameter 68.00-0.06/-0.25mm, thickness 9.00+/-0.25mmmm, single-lens shape. Optical / electrical data: transmittance >95%. Coating: Anti-Reflection. It is used in Lighting, Medical, Optical, Photography and Thermal imaging. 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 | Aspherical lens |
| Shape | Single-lens |
| Diameter | 68.00-0.06/-0.25mm |
| Thickness | 9.00+/-0.25mmmm |
| Transmittance | >95% |
| Coating | Anti-Reflection |
| Clear aperture | >96% |
| Usage | Lighting, Medical, Optical, Photography, Thermal imaging |
| Lenses Color | Black |
| Specifications of one of them | Items |
| R1 | 89.4+/-0.08mm, CX, aspheric |
| K value | -1.074 |
| R2 | Infinity |
| S1&S2 | S-D 10-5 |
| Centering | <1 |
| Both edges | <0.5mmx45° |
| Standard | MIL-0-13830B |
| CPG is also an ISO | 9001&14001 certified manufacture, we deliver fast and provide best cost performance ratio for our customers. |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Aspherical lens | Material: | Fused silica Corning 0F |
| Diameter: | 68.00-0.06/-0.25mm | |
| Thickness: | 9.00+/-0.25mmmm | |
| R1: | 89.4+/-0.08mm, CX, aspheric | |
| K value: | -1.074 | |
| R2: | Infinity | |
| Surface quality: | S1&S2:S-D 10-5 | |
| Centering: | <1' | |
| Clear aperture: | >96% | |
| Chamfer: | Both edges: <0.5mmx45° | |
| Standard: | MIL-0-13830B |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “68.00-0.06/-0.25mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “<0.5mmx45°”; state centration and edge chamfer.
- Coating — listed as “Anti-Reflection”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is AR-Coated High-Transparency Optical Glass.
