Iso speed in < a > mode – Canon EOS 90D DSLR Camera with 18-135mm Lens User Manual
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Movie Recording
o
During movie recording, avoid changing the shutter speed, aperture, or ISO
speed. Doing so may record the changes in the exposure or create more
noise at high ISO speeds.
o
When recording a movie of a moving subject, a shutter speed of approx.
1/25 sec. to 1/125 sec. is recommended. The faster the shutter speed, the
less smooth the subject’s movement will look.
o
If you change the shutter speed while recording under fl uorescent or LED
lighting, image fl icker may be recorded.
o
With ISO Auto, exposure compensation can be set in a range of ±3 stops.
o
When ISO Auto is set, you can press the <
A
> button to lock the ISO speed.
After locking the ISO speed during movie recording, you can cancel it by
pressing the <
S
> button. (ISO speed lock is maintained until you press the
<
S
> button.)
o
If you press the <
A
> button and recompose the shot, you can see the
exposure level diff erence on the exposure level indicator compared to when
the <
A
> button was pressed.
o
With the camera ready to shoot in the <
4
> mode, you can display the
histogram by pressing the <
B
> button.
ISO Speed in <
a
> Mode
You can set the ISO speed manually or select
[AUTO]
. For details on the