83Advanced GuideBasic Guide1 Camera Basics2 Auto Mode /Hybrid Auto Mode3 Other Shooting ModesTv, Av, and M Mode6 Playback Mode7 Wi-Fi Functions8 Set-Up Menu9 Accessories10 AppendixIndex4 P Mode5 Tv, Av, M, and C ModesBefore UseDepth-of-Field PreviewThe aperture is open when not shooting with the camera. Its size changesonly at the instant a picture is taken. As a result, the depth of field maylook narrower (shallower) when viewed in the monitor. Add [ ] (Depth-of-field preview) to the buttons (= 89) and press the assigned button topreview the depth of field.Specific Aperture Values ([Av]Mode)Still Images MoviesSet your preferred aperture value before shooting as follows. The cameraautomatically adjusts the shutter speed to suit your aperture value.Aperture values allowed differ depending on the lens.1 Enter [ ] mode.● Set the mode dial to [ ].2 Set the aperture value.● Turn the [ ] dial to set the aperturevalue.● Orange display of shutter speeds when you press the shutterbutton halfway indicates that the settings deviate from standardexposure. Adjust the aperture value until the shutter speed isdisplayed in white, or use safety shift (= 88).● Maximum shutter speed with the flash is 1/200 sec. Whenshooting with the flash, the camera may automatically change thedefined aperture value to ensure the shutter speed is not fasterthan 1/200 sec.● [ ]: Aperture value (size of the opening made by thediaphragm in the lens)