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An aspheric lens or asphere (often labeled ASPH on eyepieces) is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens.
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lens aspheric lenses used also surface optical form often spherical aspheres elements made shape aspherical curvature high measurement systems reading
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| astigmatism | instance of | a lens assembly that includes an aspheric element is often called an aspherical lens.The asphere's more complex surface profile can reduce or eliminate spherical aberration and… | 0.80 | text |
| compared to a simple lens | instance of | a lens assembly that includes an aspheric element is often called an aspherical lens.The asphere's more complex surface profile can reduce or eliminate spherical aberration and… | 0.80 | text |
| laser ablation can also be used to modify the curvature of a lens | instance of | Techniques | 0.80 | text |
| but the polish quality of the resulting surfaces is not as good as those achieved with lapidary techniques.Standards for the dispensing of prescription eyeglass lenses discourage the use of curvatures that deviate from definite focal lengths | instance of | Techniques | 0.80 | text |
| reading | instance of | aiding in near-pointed tasks | 0.80 | text |
| Aspheric lens | related to External links | Wiktionary-logo-en-v2 | 0.60 | section |
| Aspheric lens | related to External links | Media | 0.60 | section |
| Aspheric lens | related to External links | Aspheric | 0.60 | section |
| Aspheric lens | related to External links | Wikimedia Commons | 0.60 | section |
| Aspheric lens | related to history | Ibn | 0.60 | section |
| Aspheric lens | related to history | Persian | 0.60 | section |
| Aspheric lens | related to history | Early | 0.60 | section |
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