The Nokia E90 Communicator has two cameras. The camera on the cover is used for capturing still images and recording videos. The camera on the communicator is used for video calls. To capture an image, use the display as a viewfinder, hold the device horizontally, aim at your subject, and press the capture key half way down. The camera focuses on the subject. Then press the capture key all the way down. To zoom the image before capturing, scroll left or right with the scroll key.

Source : www.nokia.com