Mirror Lockup - Canon EOS 7D Mark II Instruction Manual

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).
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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.
During mirror lockup, shooting function settings and menu operations,
etc. are disabled.
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Set [Mirror lockup] to [Enable].
Under the [z4] tab, select [Mirror
lockup], then press <0>.
Select [Enable], then press <0>.
Focus on the subject, then press
the shutter button completely.
The mirror will swing up.
Press the shutter button
completely again.
The picture is taken and the mirror
goes back down.