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7. The Menus / 7.7 The Filter Menu

### 7.7.38 Digital Camera/Lens Correction

Lens Correction can remove several types of distortion that may occur when taking a picture:

- Lens distortions
PhotoLine uses Lensfun to correct lens distortions. Please note that Lensfun is only available in the 64-bit version of PhotoLine.
PhotoLine always includes Lensfun's current lens data. If you still want to install newer data yourself, you can copy it into a subfolder named "lensfun" in the settings folder (see chapter 1.6). The next time PhotoLine is restarted, this lens data will be used.
In the Lensfun subdialog the information about the current image is displayed when opening the dialog. If these are not correct, you can also correct them. The camera value is for your information only and does not have to be correct.
Use the Vignette switch to automatically correct the vignetting in an image. However, the image must be in a linear color space (i.e. in a color space with a gamma value of 1.0). This applies e.g. to the background image of a raw image, but not to common JPEG images. If the image has no linear color space, you should switch off Vignette and correct the vignetting via the Vignette subdialog.
- Perspective
Allows you to correct a perspective distortion in a photo.
- Vignette
With this subdialog you can add vignetting to an image or remove it.
- Chromatic Aberration
Chromatic Aberration offers the same functionality as the filter of the same name (chapter 7.7.40).