---
title: zoomFactor
framework: visionkit
role: symbol
role_heading: Instance Property
path: visionkit/datascannerviewcontroller/zoomfactor
---

# zoomFactor

The zoom factor for the live video in the camera.

## Declaration

```swift
@MainActor var zoomFactor: Double { get set }
```

## Discussion

Discussion Set this property to a value between the minZoomFactor and maxZoomFactor properties.

## See Also

### Zooming

- [minZoomFactor](visionkit/datascannerviewcontroller/minzoomfactor.md)
- [maxZoomFactor](visionkit/datascannerviewcontroller/maxzoomfactor.md)