For iOS 6 user, if you encounter "User Denied Access" error, please goto Apple's Settings app, enable access under Privacy -> Photos for Camera ∞.
You can take around 10 shots per sec. in the new iPad, thank for the faster process and more memory, but you still can get fairly 5 shots per sec. on iPhone 4/4S, for your reference, here is some icons explained in detail:
roll the dial to pick a shooting mode
press shutter to snap a picture.
after you press the shutter, it will count down from 5 with sound, use
to increase/decrease count down.
single shots, when you press the shutter, take only one picture.
as long as you press the shutter, the camera will continuesly take pictures as fast as it can.
sound activated shutter, just make loud enough noise to take a picture.
- Flash Mode
no flash will fire even in dark.
automaticly fire flash if it's dark.
always fire flash even if it's bright enough.
always lit the flash even in preview mode.
front/back camera switch.
photos are saved in APPLE's Photos app, looking for the icon with sunflower.