# focal-plane shutter

> mechanism that controls the exposure time in cameras

**Wikidata**: [Q1928801](https://www.wikidata.org/wiki/Q1928801)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Focal-plane_shutter)  
**Source**: https://4ort.xyz/entity/focal-plane-shutter


## References

1. Freebase Data Dumps. 2013