Canon EOS 5D - Focusing Screen Ee-A Manuál s instrukcemi stáhnout pdf (Strana 84)

Autofocus can fail to achieve focus (the focus confirmation light <o>

blinks) with certain subjects such as the following:

Subjects difficult to focus

Low-contrast subjects

(Example: Blue sky, solid-color walls, etc.)

Subjects in low light

Extremely backlit or reflective subjects

(Example: Car with a reflective body, etc.)

Near and far subjects covered by an AF point

(Example: Animal in a cage, etc.)

Repetitive patterns

(Example: Skyscraper windows, computer keyboards, etc.)

In such cases, do one of the following:

(1) With One-Shot AF, focus an object at the same distance as the

subject and lock the focus before recomposing (p.50).

(2) Set the lens focus mode switch to <MF> and focus manually.

Set the lens focus mode switch to

<MF>.

Focus the subject.

Focus by turning the lens focusing

ring until the subject looks sharp in

the viewfinder.

When Autofocus Fails

MF: Manual Focusing

If you press the shutter button halfway during manual focusing, the active

AF point and the focus confirmation light <o> in the viewfinder will light

when focus is achieved.

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Canon EOS 5D - Focusing Screen Ee-A Manuál s instrukcemi Strana 84