# navigation.minZoom

Part of [Navigation bar](https://kernstra.com/docs/web-sdk/config/navigation) in the Kernstra Web SDK 1.0.0 configuration reference.

- Type: `number`
- Default: `0.25`
- Page: https://kernstra.com/docs/web-sdk/config/navigation/minzoom

Smallest zoom the controls and the wheel reach. A fit mode may land below it on a narrow screen.

Web page: https://kernstra.com/docs/web-sdk/config/navigation/minzoom