---
title: kCGImagePropertyCIFFMeasuredEV
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertyciffmeasuredev
---

# kCGImagePropertyCIFFMeasuredEV

The measured exposure value.

## Declaration

```swift
let kCGImagePropertyCIFFMeasuredEV: CFString
```

## See Also

### Exposure

- [kCGImagePropertyCIFFWhiteBalanceIndex](imageio/kcgimagepropertyciffwhitebalanceindex.md)
- [kCGImagePropertyCIFFFlashExposureComp](imageio/kcgimagepropertyciffflashexposurecomp.md)
- [kCGImagePropertyCIFFMeteringMode](imageio/kcgimagepropertyciffmeteringmode.md)