Canon EOS EOS-1D Guía para resolver problemas descargar pdf (Pagina 73)

Using Autofocus (AF)

When Autofocus Fails (Manual Focusing)

Autofocus can fail to achieve focus (the focus confirmation light blinks) with certain subjects

such as the following:

(a) Low-contrast subjects (blue sky, solid-color walls, etc.).

(b) Subjects in low light.

(d) Overlapping near and far objects (animal in a cage, etc.).

In such cases, do one of the following:

1. Focus an object at the same distance as the subject and lock the focus before recomposing.

2. Set the lens focus mode switch to <

> (or < > on older lenses) and focus manually.

(→p.26)

If focus cannot be achieved with the AF-assist light of a Speedlite or ST-E2, select

the center AF point. An off-center AF point might not be able to achieve focus.

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Canon EOS EOS-1D Guía para resolver problemas Pagina 73