Canon EOS Rebel T2i EOS REBEL T2i / EOS 550D Instruction Manual - Page 125

k Shooting Movies One continuous movie will be recorded as one file. During movie shooting, the top, bottom, left, and right parts of the screen will have a semi-transparent mask. The area enclosed by the semitransparent mask will be the movie image that is recorded. The semitransparent mask size will change depending on the [n Movie rec. size] setting (p.131). If you use Movie crop, the unrecorded image areas will be displayed in black mask. AE lock is possible by pressing the button (p.97). To cancel AE lock during movie shooting, press the button. The ISO speed, shutter speed, and aperture are set automatically. By holding down the button and turning the dial, you can set the exposure compensation. Pressing the shutter button halfway displays the shutter speed and aperture (p.126) on the screen's bottom left. This is the exposure setting for taking a still photo. Monaural sound is recorded by the camera's built-in microphone (p.16). Stereo sound recording is possible by connecting an external microphone equipped with a stereo mini plug (3.5mm dia.) to the camera's external microphone IN terminal (p.16). The sound recording level will be adjusted automatically. With a fully-charged Battery Pack LP-E8, the total shooting time will be as follows: At 23°C/73°F: Approx. 1 hr. 40 min., At 0°C/32°F: Approx. 1 hr. 20 min. 125