Canon EOS R5C, Manual

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General Still Photo Shooting Precautions
Caution
Do not point the camera toward an intense light source, such as the sun or an
intense artificial light source. Doing so may damage the image sensor or the
camera's internal components.
Image quality
When you shoot at high ISO speeds, noise (such as dots of light and banding) may
become noticeable.
Shooting in high temperatures may cause noise and irregular colors in the image.
Frequent shooting over an extended period may cause high internal temperatures
and affect image quality. When you are not shooting, always turn off the camera.
If you shoot a long exposure while the camera's internal temperature is high, image
quality may decline. Stop shooting and wait a few minutes before shooting again.
White [ ] and red [ ] internal temperature warning icons
White [ ] or red [ ] icons indicate high internal camera temperature, caused by
factors such as extended shooting or use in hot environments.
The white [
] icon indicates that the image quality of still photos will decline. Stop
shooting for a while and allow the camera to cool down.
Shooting at low ISO speeds instead of high speeds is recommended when the
white [
] icon is displayed.
The red [ ] icon indicates that shooting will soon be terminated automatically.
Shooting will not be possible again until the camera cools down internally, so stop
shooting temporarily or turn off the camera and let it cool down a while.
Shooting in hot environments over extended periods will cause the white [
] or
red [ ] icon to appear sooner. When you are not shooting, always turn off the
camera.
If the camera's internal temperature is high, the quality of images shot with a high
ISO speed or long exposure may decline even before the white [
] icon is
displayed.
Shooting results
In magnified view, the shutter speed and aperture value will be displayed in orange.
If you take the picture in magnified view, the exposure may not come out as
desired. Return to the normal view before taking the picture.
Even if you take the picture in magnified view, the image will be captured with the
image area of the normal view.
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