97Mirror lockup is enabled with C.Fn-12 [Mirror lockup] set to [1: Enable](p.154). The mirror can be swung up separately from when theexposure is made. This prevents mirror vibrations which may blur theimage during close-ups or when a super telephoto lens is used. SetCustom Functions with [c Custom Functions (C.Fn)].1 Press the shutter buttoncompletely.X The mirror will swing up.2 Again press the shutter buttoncompletely.X The picture is taken and the mirrorgoes back down.Mirror LockupNIn very bright light such as at the beach or ski area on a sunny day, takethe picture promptly after mirror lockup.During mirror lockup, do not point the camera lens at the sun. The sun’sheat can scorch and damage the shutter curtains.If you use bulb exposures, the self-timer, and mirror lockup incombination, keep pressing the shutter button completely (2 sec. self-timer + bulb exposure time). During the self-timer countdown, if you letgo of the shutter button, there will be a shutter-release sound. This is notthe shutter release (no picture is taken).During mirror lockup, the drive mode will be single shooting regardless ofthe current drive mode (single or continuous).If you use the self-timer and mirror lockup, the shot will be taken 2 sec.after the mirror goes up when you press the shutter button completely.The mirror locks up, and after 30 seconds, it will go back downautomatically. Pressing the shutter button completely again locks up themirror again.For mirror lockup shots, using Remote Switch RS-80N3 or Timer RemoteController TC-80N3 (both optional) is recommended.
