# Parameter `CamAeLevel`
Default Value: `0`

!!! 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!

!!! Note
    This parameter can also be set on the Reference Image configuration page!

**Auto Exposure Level**

The exposure offset for automatic exposure, lower values produce darker image.

available range on OV2640 (`-2` .. `2`)
available range on OV3660 and OV5640 (`-5` .. `5`)