---
title: minFrameDuration
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avframeraterange/minframeduration
---

# minFrameDuration

The minimum frame duration supported by the range.

## Declaration

```swift
var minFrameDuration: CMTime { get }
```

## Discussion

Discussion This value is the reciprocal of maxFrameRate, and expresses the maximum frame rate as a duration.

## See Also

### Accessing properties

- [maxFrameDuration](avfoundation/avframeraterange/maxframeduration.md)
- [maxFrameRate](avfoundation/avframeraterange/maxframerate.md)
- [minFrameRate](avfoundation/avframeraterange/minframerate.md)