Mirror Lockup - Canon EOS 20D Instruction Manual

Mirror Lockup*
Mirror Iockup is enabled with C.Fn-12 [Mirror Iockup] set to [1: Enable]
(p.144). The mirror can be swung up separately from when the
exposure is made. This prevents mirror vibrations which may blur the
image during close-ups or when a super telephoto lens is used. Set
Custom Functions with [I'T Custom Functions (C.Fn)].
_'t_ ress the shutter button
completely,
_ The mirror will swing up.
_i Again press the shutter button
completely.
_y The picture is taken and the mirror
goes back down.
O _ In very bright light such as at the beach or ski ground on a sunny day.
take the picture promptly after mirror Iockup.
_ During mirror Iockup, do not point the camera lens at the sun.The sun's
heat can scorch and damage the shutter ;urtains.
_'_ If you use bulb exposures, the self-timer, and mirror Iockup in
combination, keep pressing the shutter button completely (2 sec. self-
timer + bulb exposure time). During the self-timer countdown, if you let
go of the shutter button, there will be a shutter-release sound. This is not
the shutter release (no picture is taken).
] _ During mirror Iockup, the drive mode will be single shooting regardless of
the current drive mode (single or continuous)
_ If you use the self-timer and mirror Iockup, 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 down
automatically. Pressing the shutter button completely again locks up the
mirror again.
_ For bulb exposures, using Remote Switch RS-80N3 orTimer Remote
Controller TC-80N3 (both optional) is recommended.
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