Canon EOS-1D X Mark III Advanced User's Manual page 890

Shooting-related problems
The lens cannot be attached.
The camera cannot be used with RF, EF-S, or EF-M lenses (
The viewfinder is dark.
Install a charged battery in the camera (
No images can be shot or recorded.
Make sure the card is properly inserted (
If the card is full, replace the card or delete unnecessary images to make space
( , ).
Shooting is not possible during One-Shot AF when the focus indicator <
viewfinder is blinking, or when the AF point is orange during Live View shooting or movie
recording. Press the shutter button halfway again to refocus automatically, or focus
manually ( ).
The card cannot be used.
If a card error message is displayed, see
I have to press the shutter button twice to take a picture.
Set [ : Mirror lockup] to [Disable].
The image is out of focus or blurred.
Set the lens's focus mode switch to <
Press the shutter button gently to prevent camera shake (
With a lens equipped with an Image Stabilizer, set the Image Stabilizer switch to
< >.
In low light, the shutter speed may become slow. Use a faster shutter speed (
higher ISO speed (
See Minimizing blurred
There are fewer AF points or the Area AF frame shape is different.
Depending on the lens used, the number of usable AF points, AF point patterns, Area
AF frame shape, etc. vary (
), use flash ( ), or use a tripod.
photos.
).
890
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Inserting/Removing Cards
> ( ).
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> in the
and Error Codes.
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