Canon EOS M Instruction Manual page 183

During movie shooting, note the following:
If <Q> 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 or LED lighting, the movie may
flicker.
Zooming the lens during movie shooting is not recommended. Zooming
the lens can cause changes in the exposure regardless of whether the
lens' maximum aperture changes or not. Exposure changes may be
recorded as a result.
Cautions for movie shooting are on pages 201 and 202.
Movie-related settings are under the [Z1] tab (p.197).
A movie file is recorded each time you shoot a movie. If the f A movie file is recorded each time you shoot a movie. If the file size A movie file is recorded each time you shoot a movie. If the f
exceeds 4 GB, a new file will be automatically created. exceeds 4 GB, a new file will be automatically created. exceeds 4 GB, a new file will be automatically created.
The movie image's field of view is approx. 100% (with movie reco The movie image's field of view is approx. 100% (with movie reco The movie image's field of view is approx. 100% (with movie recording
size set to [A]).
The sound will be recorded in stereo by the camera's built The sound will be recorded in stereo by the camera's built The sound will be recorded in stereo by the camera's built-in microphone
(p.178).
Most commercially-available external stereo microphones with a 3.5 Most commercially-available external stereo microphones with a 3.5 mm Most commercially-available external stereo microphones with a 3.5
diameter miniplug can be connected to the camera. If an extern diameter miniplug can be connected to the camera. If an extern diameter miniplug can be connected to the camera. If an external
microphone has been connected to the camera's external micropho microphone has been connected to the camera's external micropho microphone has been connected to the camera's external microphone IN
terminal (p.22), it will be given priority over the built-in mi terminal (p.22), it will be given priority over the built-in mi terminal (p.22), it will be given priority over the built-in microphone.
You can use the Remote Controller RC-6 (sold separately, p.2 You can use the Remote Controller RC-6 (sold separately, p.2 You can use the Remote Controller RC-6 (sold separately, p.291) to start
and stop the movie shooting if the drive mode is <Q>. Set the shooting and stop the movie shooting if the drive mode is < and stop the movie shooting if the drive mode is <
timing switch to < timing switch to < timing switch to <2> (2-sec. delay), then press the transmit button. If the
switch is set to < switch is set to < switch is set to <o> (immediate shooting), still photo shooting will take
effect.
With a fully-charged Battery Pack LP-E12, the total movie shooting time
will be as follows: approx. 1 hr. 30 min. at room temperature (23°C/73°F),
and approx. 1 hr. 20 min. at low temperature (0°C/32°F).
If the Speedlite 90EX is attached, set the Speedlite's power to <2>.
k Shooting Movies
] tab (p.197). ] tab (p.197).
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