try to play with my lens trying to get the effect of lens moving in and out.
http://lh4.google.com/image/laneylow/Rb3bGjbs31I/AAAAAAAAAMo/bwyQWS_zuq4/IMG_6558.JPG?imgmax=512
http://lh4.google.com/image/laneylow/Rb3bGjbs31I/AAAAAAAAAMo/bwyQWS_zuq4/IMG_6558.JPG?imgmax=512