# focus

> point where parallel light rays or light rays originating from a point will converge

**Wikidata**: [Q190909](https://www.wikidata.org/wiki/Q190909)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Focus_(optics))  
**Source**: https://4ort.xyz/entity/focus-q190909-2


## References

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