Hi guys, I've tried searching about IS questions here and didn't find one. So here goes... I am really confused about the IS. There are 3 kinds, and I am not yet so sure about which one to use. Can anyone explain the difference? Thanks. Also, you have the option to select the focal lengths for your lenses. What do I need to select on there if I use my 12-50 kitlens? Should I set it to 12mm? Also, what if I use a panasonic lens like the 14mm? There's no option for 14mm on the list. How about if I use my Oly45mm? Should I set it to 48mm or 90mm on the IS? How about the Oly40-150? Thanks Guys. Tapatalk.