Set the shutter speed and, Aperture, Focus and shoot the movie – Canon EOS-1D Mark IV User Manual

Page 145: Set the shutter speed and aperture

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Shooting Movies

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Set the shutter speed and
aperture.

• Press the shutter button halfway and

check the exposure level indicator.

• Turn the

dial to set the shutter

speed within 1/30 (1/60) sec. to

1/4000 sec.

• If you set the power switch to <

and turn the <0> dial, you can set

the aperture.

Focus and shoot the movie.

• The procedure is the same as steps 2

and 3 for "Autoexposure Shooting"

(p.143).

With manual exposure shooting, AE lock and exposure compensation
cannot be set.
Changing the aperture during movie shooting is not recommended since
variations in the exposure, due to the drive of the lens aperture, will be

recorded

If <№B> is set and the

iSO

speed or aperture changes during movie

shooting, the white balance may also change.

If you shoot a movie under fluorescent lighting, the movie image might

flicker.

The shutter speed's lower limit will change depending on the frame rate

(p.151).

When shooting a movie of a moving subject, a shutter speed of 1/30 sec.
to 1/125 sec. is recommended. The faster the shutter speed, the less
smooth the subject's movement will look.

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