---
title: maxFrameDuration
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avframeraterange/maxframeduration
---

# maxFrameDuration

The maximum frame duration supported by the range.

## Declaration

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

## Discussion

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

## See Also

### Accessing properties

- [maxFrameRate](avfoundation/avframeraterange/maxframerate.md)
- [minFrameDuration](avfoundation/avframeraterange/minframeduration.md)
- [minFrameRate](avfoundation/avframeraterange/minframerate.md)