I am trying to do some CGI manipulations on pictures I've taken. In order to fake reality with some 3D object inserted in the picture, I need some information to configure my virtual camera so it can match my real one.
The problem is that I'm using the camera of my Smartphone, which is a HTC Wildfire S. There are no specs concerning the camera in the manual nor on the Internet.
I need to find out the focal length and the width of CCD sensor (and maybe some other things I might be asked by the CGI software later on). Is there a good and simple way to find these?