Canon EOS 600D Instruction Manual page 54

_ Shooting Movies
_ Focus and shoot the movie.
_ The procedure is the same as steps 2
and 3 for "Autoexposure Shooting"
(p.142).
AE lock and exposure compensation cannot be set,
Changing the shutter speed or aper[ure during movie shooting is not
recommended since the changes in the exposure wil! be recorded
If y'ou use a lens whose maximum aper[ure changes while you zoom.
you should not zoom while shooting a movie. Changes in the exposure
may be recorded.
If you shoot a movie under fluorescent lighting, the movie image might
flicker.
¢_> With ISO Auto. the standard movie exposure will usually be obtained
even if the light level changes.
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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