# Parameter `CamBpc` **Black-Pixel-Correction** - Enable/Disable **black point compensation**, this can make black parts of the image darker. Default Value: `true` See [here](../datasheets/Camera.ov2640_ds_1.8_.pdf) for the ov2640 camera datasheet.
See [here](../datasheets/OV5640_datasheet.pdf) for the ov5640 camera datasheet. !!! Warning This is an **Expert Parameter**! Only change it if you understand what it does! After changing this parameter you need to update your reference image and alignment markers!