---
title: kCGImagePropertyCIFFLensMaxMM
framework: imageio
role: symbol
role_heading: Global Variable
path: imageio/kcgimagepropertycifflensmaxmm
---

# kCGImagePropertyCIFFLensMaxMM

The maximum lens length in millimeters.

## Declaration

```swift
let kCGImagePropertyCIFFLensMaxMM: CFString
```

## See Also

### Lens and Focus

- [kCGImagePropertyCIFFFocusMode](imageio/kcgimagepropertycifffocusmode.md)
- [kCGImagePropertyCIFFLensMinMM](imageio/kcgimagepropertycifflensminmm.md)
- [kCGImagePropertyCIFFLensModel](imageio/kcgimagepropertycifflensmodel.md)