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217
Cautions for Movie Shooting
o
Do not point the camera toward an intense light source, such as the sun
or an intense articial light source. Doing so may damage the image
sensor or the camera’s internal components.
o
If you shoot something that has ne detail, moire or false colors may
result.
o
If <
Q
> or <
Q
w> is set and the ISO speed or aperture changes during
movie shooting, the white balance may also change.
o
If you shoot a movie under uorescent or LED lighting, the movie image
may icker.
o
If you perform AF with a USM lens during movie shooting in low light,
horizontal banding noise may be recorded in the movie. The same type
of noise may occur if you focus manually with certain lenses equipped
with an electronic focusing ring.
o
Shooting a few test movies is recommended if you intend to perform
zooming during movie shooting. Zooming as you shoot movies may
cause exposure changes or lens sounds to be recorded, an uneven
audio level, or loss of focus.
o
Large aperture values may delay or prevent accurate focusing.
o
During movie shooting, if you perform AF, any of the following may occur:
The focus is temporarily greatly thrown o, changes in movie brightness
is recorded, the movie recording stops momentarily, and the mechanical
sound of the lens is recorded.
o
Avoid covering the built-in microphones (p.209) with your ngers or
other objects.
o
“General Movie Shooting Cautions” are on page 253.
o
If necessary, also read “General Still Photo Shooting Cautions” on
page 142.
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