Canon EOS-1DS Mark III Instruction Manual page 40

Basic Operation
Holding the Camera
To obtain sharp images, hold the camera still to minimize camera
shake.
Horizontal shooting Vertical shooting
1. Wrap your right hand around the camera gdp firmly.
2. Hold the lens bottom with your lef_ hand.
3. Press the shutter button lightly with your right hand's index finger.
4. Press your arms and elbows lightly against the front of your body.
5. Press the camera against your face and look through the viewfinder.
6. To maintain a stable stance, place one foot in front of the other.
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