Aspheric Lens
Aspheric (rotationally symmetric) molding performance specifications (graded by outer diameter). The above performance specifications are related to the shape and size of the lens; the actually achievable specifications need to be evaluated based on the drawing.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Outer Diameter Accuracy-Φ2~Φ5 | ±0.005mm |
| Outer Diameter Accuracy-Φ5~Φ10 | ±0.008mm |
| Outer Diameter Accuracy-Φ10~Φ20 | ±0.01mm |
| Outer Diameter Accuracy-Φ20~Φ30 | ±0.015mm |
| Outer Diameter Accuracy-Φ30~Φ45 | ±0.015mm |
| Outer Diameter Accuracy->Φ45 | ±0.015mm |
| Outer Diameter Accuracy-Inspection Instrument | Thickness gauge |
| Center Thickness Accuracy - Φ2~Φ5 | ±0.005mm |
| Center Thickness Accuracy - Φ5~Φ10 | ±0.008mm |
| Center Thickness Accuracy - Φ10~Φ20 | ±0.01mm |
| Center Thickness Accuracy - Φ20~Φ30 | ±0.015mm |
| Center Thickness Accuracy - Φ30~Φ45 | ±0.02mm |
| Center Thickness Accuracy - >Φ45 | ±0.02mm |
| Center Thickness Accuracy - Test Instrument | Micrometer |
| Surface Slope | 60″ (full outer diameter specification) |
| Sag-Φ2~Φ5 | (0)±0.002mm |
| Sag-Φ5~Φ10 | (0)±0.003mm |
| Sag-Φ10~Φ20 | (0)±0.003mm |
| Sag-Φ20~Φ30 | (0)±0.003mm |
| Sag-Φ30~Φ45 | (0)±0.003mm |
| Sag->Φ45 | (0)±0.003mm |
| Sag-Inspection Instrument | UA3P/profilometer |
| Surface Figure Accuracy PV - Φ2~Φ5 | 0.30μm |
| Surface Figure Accuracy PV - Φ5~Φ10 | 0.50μm |
| Surface Figure Accuracy PV - Φ10~Φ20 | 1.00μm |
| Surface Figure Accuracy PV - Φ20~Φ30 | 1.30μm |
| Surface Figure Accuracy PV - Φ30~Φ45 | 1.50μm |
| Surface Figure Accuracy PV - >Φ45 | 1.50μm |
| Surface Figure Accuracy PV - Test Instrument | UA3P/profilometer |
| Best Surface Figure Accuracy PV-Best fit - Φ2~Φ5 | 0.15μm |
| Best Surface Figure Accuracy PV-Best fit - Φ5~Φ10 | 0.20μm |
| Best Surface Figure Accuracy PV-Best fit - Φ10~Φ20 | 0.30μm |
| Best Surface Figure Accuracy PV-Best fit - Φ20~Φ30 | 0.50μm |
| Best Surface Figure Accuracy PV-Best fit - Φ30~Φ45 | 0.50μm |
| Best Surface Figure Accuracy PV-Best fit ->Φ45 | 0.50μm |
| Best Surface Figure Accuracy PV-Best fit - Measurement Instrument | UA3P/profilometer |
| Asphericity AS - Φ2~Φ5 | 0.10μm |
| Asphericity AS - Φ5~Φ10 | 0.20μm |
| Asphericity AS - Φ10~Φ20 | 0.30μm |
| Asphericity AS - Φ20~Φ30 | 0.40μm |
| Asphericity AS - Φ30~Φ45 | 0.50μm |
| Asphericity AS - >Φ45 | 0.50μm |
| Asphericity AS - Test Instrument | UA3P/profilometer |
| Surface Tilt - Φ2~Φ5 | 1′ |
| Surface Tilt - Φ5~Φ10 | 1′ |
| Surface Tilt - Φ10~Φ20 | 1.5′ |
| Surface Tilt - Φ20~Φ30 | 1.5′ |
| Surface Tilt - Φ30~Φ45 | 2.0′ |
| Surface Tilt ->Φ45 | 2.0′ |
| Surface Tilt - Test Instrument | UA3P/profilometer |
| Inter-Surface Eccentricity - Φ2~Φ5 | 2.0μm |
| Inter-Surface Eccentricity - Φ5~Φ10 | 5.0μm |
| Inter-Surface Eccentricity - Φ10~Φ20 | 5.0μm |
| Inter-Surface Eccentricity - Φ20~Φ30 | 5.0μm |
| Inter-Surface Eccentricity - Φ30~Φ45 | 7.5μm |
| Inter-Surface Eccentricity - >Φ45 | 7.5μm |
| Inter-Surface Eccentricity - Test Instrument | Centration error instrument |
| Mechanical Eccentricity - Φ2~Φ5 | 3.0μm |
| Mechanical Eccentricity - Φ5~Φ10 | 5.0μm |
| Mechanical Eccentricity - Φ10~Φ20 | 5.0μm |
| Mechanical Eccentricity - Φ20~Φ30 | 5.0μm |
| Mechanical Eccentricity - Φ30~Φ45 | 7.5μm |
| Mechanical Eccentricity ->Φ45 | 7.5μm |
| Mechanical Eccentricity - Inspection Instrument | UA3P |
| Chamfer | ≤0.1 (all outer diameter specifications)mm |
| Surface Quality - Φ2~Φ5 | 20-10 |
| Surface Quality - Φ5~Φ10 | 40-20 |
| Surface Quality - Φ10~Φ20 | 60-40 |
| Surface Quality - Φ20~Φ30 | 60-40 |
| Surface Quality - Φ30~Φ45 | 80-50 |
| Surface Quality - >Φ45 | 80-50 |
| Surface Quality - Test Instrument | Visual |
Applications
Datasheet
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