> For the complete documentation index, see [llms.txt](https://docs.colormass.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.colormass.com/building-blocks/scenes/camera/focal-length.md).

# Focal Length

## Focal Length

<figure><img src="https://1229207575-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fv3R7xjvJcsIFNxg1zMmq%2Fuploads%2FAH3SKMHHTgi4hBzgncgz%2FDOF%20settings.png?alt=media&amp;token=bf37867c-ea64-4bac-b7e0-2286f3102bbd" alt=""><figcaption><p>Settings</p></figcaption></figure>

The focal length controls the level of zoom, determining how much of the scene is visible at once. A longer focal length results in a narrower field of view (more zoom), while a shorter focal length provides a wider field of view, allowing more of the scene to be visible at once (less zoom).