Canon EOS50D EOS 50D Instruction Manual - Page 174

3 Custom Function SettingsN C.Fn I: Exposure C.Fn I -1 Exposure level increments 0: 1/3-stop 1: 1/2-stop Sets 1/2-stop increments for the shutter speed, aperture, exposure compensation, AEB, etc. Effective when you prefer to control the exposure in less fine increments than 1/3-stop increments. The exposure level will be displayed in the viewfinder and on the LCD panel as shown below. C.Fn I -2 0: 1/3-stop 1: 1-stop ISO speed setting increments C.Fn I -3 ISO expansion 0: Off 1: On "H1" (equivalent to ISO 6400) and "H2" (equivalent to ISO 12800) will be selectable for the ISO speed. C.Fn I -4 Bracketing auto cancel 0: On The AEB and WB-BKT settings will be canceled if you set the power switch to or clear the camera settings. AEB will also be canceled when the flash is ready to fire. 1: Off The AEB and WB-BKT settings will be retained even when the power switch is set to . (When the flash is ready, AEB will be canceled. However, the AEB amount will be retained in memory.) 174