# achromatic lens

> optical instrument corrected for dispersion at 2 wavelengths

**Wikidata**: [Q340600](https://www.wikidata.org/wiki/Q340600)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Achromatic_lens)  
**Source**: https://4ort.xyz/entity/achromatic-lens


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)