Canon EOS Digital Rebel XTi EF-S 18-55 Kit User Manual - Page 71

a: Manual Exposure You can set both the shutter speed and aperture as desired. With flash, the flash exposure will be set automatically to match the aperture that was set. The flash sync speed can be set at bulb, or from 30 sec. to 1/200 sec. * stands for Manual. 1 Set the Mode Dial to . 2 Set the shutter speed and aperture. To set the shutter speed, turn the dial. To set the aperture, hold down the button and turn the dial. Standard exposure index Exposure level mark 3 Set the exposure and take the picture. Press the shutter button halfway to focus. The exposure level indicator in the viewfinder indicates the exposure level up to ±2 stops from the standard exposure index at the center. While you change the shutter speed and aperture, the exposure level mark will move. You can decide which exposure level to set. Bulb Exposures In step 2, turn the dial left to set . A bulb exposure keeps the shutter open for as long as you hold down the shutter button. It can be used to photograph fireworks, etc. If you press the button during the bulb exposure, the elapsed exposure time will be displayed. Since bulb exposures produce more noise than usual, the image will look rough or grainy. You can reduce this noise by setting the [b Custom Functions (C.Fn)] menu's [Long exp. noise reduction] (p.103) to [Auto] or [On]. 71