294Custom Functions are organized into four groups based on the functiontype: C.Fn I: Exposure, C.Fn II: Image, C.Fn III: Autofocus/Drive, C.FnIV: Operation/Others.3 Custom Function SettingsNC.Fn I: ExposureC.Fn-1 Exposure level increments0: 1/3-stop1: 1/2-stopSets 1/2-stop increments for the shutter speed, aperture, exposurecompensation, AEB, flash exposure compensation, etc. This is effectivewhen you prefer to control the exposure in less fine increments than 1/3-stop increments.C.Fn-2 ISO expansion0: Off1: OnWhen you set the ISO speed, you will be able to set “H” (equivalent toISO 25600) for still photos and “H” (equivalent to ISO 12800) for movies.Note that if [C.Fn-3: Highlight tone priority] is set to [1: Enable], “H”cannot be set.With setting 1, the exposure level will be displayed in the viewfinder and onthe LCD monitor as shown below.www.devicemanuals.euwww.devicemanuals.euSets 1/2-stop increments for the shutter speed, aperture, exposurewww.devicemanuals.euSets 1/2-stop increments for the shutter speed, aperture, exposurecompensation, AEB, flash exposure compensation, etc. This is effectivewww.devicemanuals.eucompensation, AEB, flash exposure compensation, etc. This is effectivewhen you prefer to control the exposure in less fine increments than 1/3-www.devicemanuals.euwhen you prefer to control the exposure in less fine increments than 1/3-www.devicemanuals.euC.Fn-2 ISO expansionwww.devicemanuals.euC.Fn-2 ISO expansionwww.devicemanuals.euWhen you set the ISO speed, you will be able to set “www.devicemanuals.euWhen you set the ISO speed, you will be able to set “ISO 25600) for still photos and “www.devicemanuals.euISO 25600) for still photos and “C.Fn-3: Highlight tone prioritywww.devicemanuals.euC.Fn-3: Highlight tone prioritywww.devicemanuals.euWith setting 1, the exposure level will be displayed in the viewfinder and onwww.devicemanuals.euWith setting 1, the exposure level will be displayed in the viewfinder and onwww.devicemanuals.eu