How to set and use mirror lockup on the EOS 1D Mk III

Article ID: ART102804 | Date published: 05/11/2015 | Date last updated: 08/15/2015


How to set and use mirror lockup on the EOS 1D Mk III


Although using the self-timer or Remote Switch can prevent camera shake, using mirror lockup to prevent camera vibrations can also help when you use a super telephoto lens or shoot close ups.

When C.Fn III -15 [Mirror lockup] is set to [1:Enable] or [2:Enable: Down with SET] (p.172), shooting with mirror lockup is possible.

1 Focus the subject, press the shutter button completely and release it.

  • The mirror will lockup and <> will blink on the top LCD panel.

2 Press the shutter button completely again.

  • The picture will be taken.
  • With [1] set, the mirror will go back down when the picture is taken.
  • With [2] set, the mirror lockup will remain even after the picture is taken. To cancel the mirror lockup, press <SET>

  • In very bright light such as at the beach or ski slope on a sunny day, take the picture promptly after mirror lockup.
  • During mirror lockup, do not point the camera lens at the sun. The sun's heat can scorch and damage the shutter curtains.
  • If you use bulb exposures, the self-timer, and mirror lockup in combination, keep pressing the shutter button completely (self-timer delay time + bulb exposure time). If you let go of the shutter button
  • during the 2-sec./10-sec. self-timer countdown, there will be a shutterrelease sound. This is not the actual shutter release (no picture is taken).
  • When [1:Enable] is set, single shooting will take effect even if the drive mode is continuous. When [2:Enable: Down with SET] is set, the current drive mode will take effect for the shooting.
  • When the self-timer is set to <> or <>, the picture will be taken after 10 sec. or 2 sec. respectively.
  • The mirror locks up, and after 30 seconds, it will go back down automatically.
  • For mirror lockup shots, using Remote Switch RS-80N3 or Timer Remote Controller TC-80N3 ( optional) is recommended.



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