---
title: minimumFocusDistance
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturedevice/minimumfocusdistance
---

# minimumFocusDistance

The capture device’s minimum focus distance in millimeters.

## Declaration

```swift
var minimumFocusDistance: Int { get }
```

## Discussion

Discussion For virtual cameras, like builtInDualCamera or builtInTripleCamera, this value represents the smallest minimum focus distance of the autofocus-capable cameras that it sources. This value is -1 if the distance is unknown.