---
title: Zoom
framework: avfoundation
role: collectionGroup
role_heading: API Collection
path: avfoundation/capture-device-zoom
---

# Zoom

Configure device zooming behavior and inspect hardware capabilities.

## Topics

### Adjusting zoom

- [videoZoomFactor](avfoundation/avcapturedevice/videozoomfactor.md)
- [ramp(toVideoZoomFactor:withRate:)](avfoundation/avcapturedevice/ramp(tovideozoomfactor:withrate:).md)
- [cancelVideoZoomRamp()](avfoundation/avcapturedevice/cancelvideozoomramp().md)

### Observing zoom

- [isRampingVideoZoom](avfoundation/avcapturedevice/isrampingvideozoom.md)

### Inspecting zoom factors

- [minAvailableVideoZoomFactor](avfoundation/avcapturedevice/minavailablevideozoomfactor.md)
- [maxAvailableVideoZoomFactor](avfoundation/avcapturedevice/maxavailablevideozoomfactor.md)
- [virtualDeviceSwitchOverVideoZoomFactors](avfoundation/avcapturedevice/virtualdeviceswitchovervideozoomfactors.md)
- [dualCameraSwitchOverVideoZoomFactor](avfoundation/avcapturedevice/dualcameraswitchovervideozoomfactor.md)
- [displayVideoZoomFactorMultiplier](avfoundation/avcapturedevice/displayvideozoomfactormultiplier.md)

### Enabling geometric distortion correction

- [isGeometricDistortionCorrectionSupported](avfoundation/avcapturedevice/isgeometricdistortioncorrectionsupported.md)
- [isGeometricDistortionCorrectionEnabled](avfoundation/avcapturedevice/isgeometricdistortioncorrectionenabled.md)

## See Also

### Configuring camera hardware

- [lockForConfiguration()](avfoundation/avcapturedevice/lockforconfiguration().md)
- [unlockForConfiguration()](avfoundation/avcapturedevice/unlockforconfiguration().md)
- [isSubjectAreaChangeMonitoringEnabled](avfoundation/avcapturedevice/issubjectareachangemonitoringenabled.md)
- [subjectAreaDidChangeNotification](avfoundation/avcapturedevice/subjectareadidchangenotification.md)
- [Formats](avfoundation/capture-device-formats.md)
- [Focus](avfoundation/capture-device-focus.md)
- [Exposure](avfoundation/capture-device-exposure.md)
- [White balance](avfoundation/capture-device-white-balance.md)
- [Lighting](avfoundation/capture-device-lighting.md)
- [Color](avfoundation/capture-device-color.md)