In this instructable I will show you how I installed a wide-angle lens onto my webcam.
Now I can use Skype without having to sit perfectly still in an attempt to keep my face in the middle of the screen. I can move around a bit to stretch and prevent neck and back pain. People I talk to also get to see more of the background. I don't mind that, my room is always tidy :)
I used a $12 webcam
and $6 wide-angle lens
If you use a different webcam and/or a different wide-angle lens you might get lucky and they will fit together perfectly. In my case there were two problems:
1) I could not get the lens to focus - it was too close to the sensor,
2) the wide angle lens had no IR filter installed, so daylight images looked funny.
My solution was to lift the lens socket about 1mm away from the sensor and to attach the IR filter I harvested from the lens the webcam came with.