If your camera is not listed and you already tried selecting Other HTTP Camera from the Connect To network dialog then search the camera's maker homepage for the HTTP GET Request Format. Enter the found GET-COMMAND command in the network dialog as an URL:
or with a PORT other than the default 80:
For example axis cameras use for client poll (individual JPEG frames):
and for server push (MJPEG video stream):
Remember to replace IP with the camera's IP address.
Hint: if the camera's maker homepage is not helpful try to search the GET-COMMAND here.