Canon EOS 20D EOS 20D Instruction Manual - Page 88

Mirror Lockup

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Mirror LockupN Mirror lockup is enabled with C.Fn-12 [Mirror lockup] 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 [c Custom Functions (C.Fn)]. 1 Press the shutter button completely. s The mirror will swing up. 2 Again press the shutter button completely. s The picture is taken and the mirror goes back down. ¡ In very bright light such as at the beach or ski ground 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 (2 sec. selftimer + 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 lockup, the drive mode will be single shooting regardless of the current drive mode (single or continuous). ¡ If you use the self-timer and mirror lockup, 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 or Timer Remote Controller TC-80N3 (both optional) is recommended. 88

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88
Mirror lockup is enabled with C.Fn-12 [
Mirror lockup
] 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 [
c
Custom Functions (C.Fn)
].
1
Press the shutter button
completely.
s
The mirror will swing up.
2
Again press the shutter button
completely.
s
The picture is taken and the mirror
goes back down.
Mirror Lockup
N
¡
In very bright light such as at the beach or ski ground 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 (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 lockup, the drive mode will be single shooting regardless of
the current drive mode (single or continuous).
¡
If you use the self-timer and mirror lockup, 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 or Timer Remote
Controller TC-80N3 (both optional) is recommended.