Canon EOS 5D instruction manual 118, Shooting conditions which can make focusing difficult

Using AF to FocusN

Live Mode and Liveu(Face Detection) Mode Notes

Shooting conditions which can make focusing difficult:

Low-contrast subjects such as the blue sky and solid-color, flat surfaces. Subjects in low light.

Stripes and other patterns where there is contrast only in the horizontal direction.

Under a light source whose brightness, color, or pattern keeps changing. Night scenes or points of light.

Under fluorescent lighting or when the image flickers. Extremely small subjects.

Subjects at the edge of the picture. Subjects strongly reflecting light.

The AF point covers both a near and faraway subject (such as an animal in a cage).

Subjects which keep moving within the AF point and cannot keep still due to camera shake or subject blur.

A subject approaching or moving away from the camera. Autofocusing while the subject is way out of focus.

Soft focus effect is applied with a soft focus lens. A special effects filter is used.

In the Live mode or Liveu(face detection) mode, if you want to shoot a peripheral subject and the target subject is not in focus, aim the center AF point over the subject to focus, then take the picture.

The external Speedlite will not emit the AF-assist beam.

Autofocus will not work with the release button on Remote Switch RS- 80N3 and Timer Remote Controller TC-80N3 (both sold separately).

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