# aperture

> The camera aperture. To use this property, enable UsePhysicalProperties.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public float aperture { get; set; }
```

### Remarks

The aperture number, in f-stop.