---
title: kIOVideoFeatureControlClassIDFocus
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1646200-anonymous/kiovideofeaturecontrolclassidfocus
---

# kIOVideoFeatureControlClassIDFocus

## Declaration

```occ
kIOVideoFeatureControlClassIDFocus = 'fcus'
```

## Discussion

Discussion A IOVideoFeatureControl that controls a focus mechanism. The units for the control's absolute value are meters (m).