Argus Camera DC3810 manual Difficult Focusing Conditions in the Autofocus Mode

DIFFICULT FOCUSING CONDITIONS IN THE AUTOFOCUS MODE

NOTE: For best results with any camera, light source should always come from behind you.

The autofocus mechanism is triggered by contrast--light vs dark. The illustrations below offer instances when the autofocus will experience difficulty in determining the primary subject.

Under these four circumstances, we recommend taking advantage of the focus lock function. (see pg 39)

Subject too dark.

Foreground invades primary subject.

The subject, such as a

blue sky or white walls, lacks contrast.

A fore- or background with a highly reflective surface against the sun.

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