Who uses DSLR cameras (Also called Reflex) Canon or Nikon will be happy to know that you can control them remotely via the iPhone and iPad with the application DSLR Camera Remote from onOne Software.
With the application, iOS device turns into a real remote machine. You can not only take the picture, but view it and make adjustments as the focus, wing, aperture, exposure, white balance and a few others, without being behind the camera.
It works by Wi-Fi network, through a program server installed on the computer (compatible with Windows and Mac OS). The machine is connected to the PC, which allows the manipulation by the iOS.
The Live View function lets you see on the screen of the iPad/iPhone camera image in real time, so you make sure that everything is all right before taking the photo. Live View also works with videos, which is ideal for anyone who needs to shoot himself and take control of the machine.
There are several other adjustments that most professional photographers can enjoy, such as photos in series and in predefined intervals. It is compatible with many camera models, the list can be seen here.
The DSLR Camera Remote App Store is available in two versions: Professional Edition ($19.99) for iPhone/iPod touch and HD version ($49,99) iPad.