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# AVCaptureDevice.AspectRatio

String constants describing the different video aspect ratios you can configure for a particular device.

```
struct AspectRatio
```

## Topics

### Aspect ratios

[`static let ratio16x9: AVCaptureDevice.AspectRatio`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/ratio16x9)

An aspect ratio of 16x9.

[`static let ratio1x1: AVCaptureDevice.AspectRatio`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/ratio1x1)

An aspect ratio of 1x1.

[`static let ratio3x4: AVCaptureDevice.AspectRatio`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/ratio3x4)

An aspect ratio of 3x4.

[`static let ratio4x3: AVCaptureDevice.AspectRatio`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/ratio4x3)

An aspect ratio of 4x3.

[`static let ratio9x16: AVCaptureDevice.AspectRatio`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/ratio9x16)

An aspect ratio of 9x16.

### Initializers

[`init(rawValue: String)`](/documentation/AVFoundation/AVCaptureDevice/AspectRatio/init(rawValue:))

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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