94Mirror LockupLCD Panel IlluminationMirror lockup is enabled with C.Fn-12-1. (→p.149) This prevents mirror-caused vibrationswhich may blur the image during close-ups or when a super telephoto lens is used. To set thisCustom Function, see “Setting a Custom Function” on page 145. When mirror lockup is set,the camera operates as follows.Press the shutter button fully.s The mirror will lock up.• After 30 seconds, it will go back down automatically.1Press the shutter button fully again.• The image will be captured and the mirror will goback down.• To take another shot with mirror lockup, start fromstep 1 again.2LCD panel illumination is provided.The < > button turns the illumination of the LCDpanel on or off. The illumination stays on for 6 sec. Ifyou shoot while the panel is illuminated, the illumina-tion will turn off 2 seconds after shooting. If you take abulb exposure while the panel is illuminated, theillumination will turn off immediately.The illumination will remain on if you press any button for shooting or the Mode dial.• In very bright light such as at the beach or ski ground on a sunny day, shoot promptlyafter mirror lockup.• During mirror lockup, do not point the camera lens at the sun. The sun’s heat canscorch and damage the shutter curtains.• If you use mirror lockup with the self-timer for a bulb exposure, there will be a shutterrelease sound when you release the shutter button during self-timer operation. This isnot the sound of the actual shutter release.• When using mirror lockup, Remote Switch RS-80N3 (optional) is recommended.(→p.76)• During mirror lockup, the single drive mode will take effect regardless of the currentdrive mode setting.• If the self-timer is used with mirror lockup, pressing the shutter button fully the firsttime will lock up the mirror, then the shot will be taken 2 seconds later.