---
title: ratio3x4
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avcapturedevice/aspectratio/ratio3x4
---

# ratio3x4

An aspect ratio of 3x4.

## Declaration

```swift
static let ratio3x4: AVCaptureDevice.AspectRatio
```

## Mentioned in

Adopting smart framing in your camera app

## See Also

### Aspect ratios

- [ratio16x9](avfoundation/avcapturedevice/aspectratio/ratio16x9.md)
- [ratio1x1](avfoundation/avcapturedevice/aspectratio/ratio1x1.md)
- [ratio4x3](avfoundation/avcapturedevice/aspectratio/ratio4x3.md)
- [ratio9x16](avfoundation/avcapturedevice/aspectratio/ratio9x16.md)