Welcome to DPReview Forum. Which Canon PowerShot camera are you asking about?
I was confused about that same issue at first. He shows the camera as a tag in his message. That's how I knew where to guide him for info on Canon's site.
|Dirt Hose by poppyjk|
|European bee-eaters by drvanger|
from A Big Year - birds
|Fat Is Beautiful Guinea 2008 DP by MarioSS|
from - Fat is Beautiful - (Woman's Portrait n Black and White+ A Border)