Chapter 5. Shooting in Live View and Tethered
Live View shooting enables you to view, compose, and focus using a real-time view of the scene on the camera's 3-inch LCD monitor. Alternately, you can shoot with the T2i/550D connected (tethered) to the computer, and then control image settings ranging from focus and exposure to white balance and Picture Style on the computer by using the EOS Utility program from Canon. Live View and tethered shooting give you added flexibility in shooting scenarios that normal shooting doesn't provide.
Live View shooting is an excellent choice for getting tack-sharp focus on a still subject such as these daisies. Exposure: ISO 100, f/2.2, 1/2500 second.
About Live View Shooting
While Live View shooting is a staple feature on point-and-shoot digital cameras, it is a relatively new feature for digital SLR cameras such as the T2i/550D. In fact, the concept of a digital SLR being able to hold the shutter open to give you a real-time view of the scene and yet pause long enough to focus is impressive. Normally, the camera can't see the live scene because the shutter and reflex mirror block the view to the image sensor. The T2i/550D overcomes this blind spot with a mechanical shutter that stays completely open during Live View shooting.
Live View offers some advantages that you don't get with non-Live View shooting. For example, Live View offers Face Detection ...
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