Sigma DP1 user manual Focusing, HOW to USE Autofocus

FOCUSING

Adjustment of autofocus and manual focus operation are explained below.

HOW TO USE AUTOFOCUS

Position the photographic subject within the centre of the composition and press the shutter button “half-way”.

ξIf autofocus is selected, the focusing point will be illuminated in green. (At the same time, the auto focus lamp will be illuminated in green.)

ξIf autofocus cannot set correctly, the focusing point will blink. (At the same time, the auto focus lamp will blink in red)

When setting AF mode to normal autofocus ( is displayed), the focusing distance is from 50cm to infinity. It is possible to shorten the minimum focusing distance to 30cm. To do so, set

the focus to FULL mode by pressing the button.

Although your camera is equipped with highly precise AF system, in some cases autofocus cannot set correctly.

Low-contrast subjects, such as blue sky or a blank wall, etc. or when the color of the subject is same as background

The subject is located in a very low light environment

Overlapping near and far objects, such as an animal behind a fence A subject, which moves at high speed

Subjects which have repeated patterns such as building windows

In such cases, please use one of the following focusing methods.

1.Use the Focus Lock function to focus on another subject, which has a similar focusing distance as your subject.

2.Set the lens to MF mode and focus manually.

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