---
title: defaultLensAperture
framework: AVFoundation
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, tvOS 27.0+]
path: avfoundation/avcapturedevice/format/defaultlensaperture
---

# defaultLensAperture

The default value for the lensAperture property.

## Declaration

```swift
var defaultLensAperture: Float { get }
```