Canon EOS 70D Operation Manual - Page 182

2 Mirror LockupN Although using the self-timer or a remote switch can prevent camera shake, using mirror lockup to prevent camera vibrations (mirror shock) can also help when you use a super telephoto lens or shoot close ups (macro photography). 1 Set [Mirror lockup] to [Enable]. Under the [z2] tab, select [Mirror lockup], then press . Select [Enable], then press . 2 Focus the subject, then press the shutter button completely. XThe mirror will swing up. 3 Press the shutter button completely again. XThe picture is taken and the mirror goes back down. In very bright light, such as at the beach or a ski slope on a sunny day, take the picture promptly after mirror lockup. Do not point the camera toward the sun. The sun's heat can scorch and damage the shutter curtains. If you use the self-timer and bulb exposure in combination with a mirror lockup, keep pressing the shutter button completely (self-timer delay time + bulb exposure time). If you let go of the shutter button during the self-timer countdown, there will be a shutter-release sound, but no picture will be taken. During mirror lockup, shooting function settings and menu operations, etc. are disabled. Even if the drive mode is set to continuous shooting, only one shot can be taken. You can also use the self-timer with mirror lockup. If 30 seconds elapse after the mirror has locked up, it will go back down automatically. Pressing the shutter button completely again locks up the mirror again. For mirror lockup, using Remote Switch RS-60E3 (sold separately) is recommended (p.184). You can also use a remote controller (sold separately, p.184). Setting the remote controller to a 2-sec. delay is recommended. 182