CASES WHERE AUTOFOCUS IS NOT ACCEPTABLE

Autofocus operation depends on general lighting, subject contrast and detail, and other technical points. In those rare situations where autofocus is not possible, • blinks inside the viewfinder.

When the focus brackets are positioned on the following subjects/scenes, ignore in- focus. indication and focus manually:

• Very dark subject

Focus manually (page 45). Or for autofocus, focus on another, brighter subject located at the same distance, recompose with the shutter release button lightly pressed, then shoot.

You can also use the built-in flash, or an accessory Nikon Speedlight.

Low-contrast subject

Focus manually (page 45). Or for autofocus, focus on another subject at the same distance but with more contrast, recompose with the shutter release button lightly pressed, then shoot.

Scenes with subjects located at different distances

Bright subjects with a shiny surface, such as silver or aluminum

Strongly backlit subjects

When ·using a linear polarizing filter, or a special filter, e.g., a soft- focus filter. (Circular polarizing filters can be used for autofocus.)

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Image 44
Nikon F50 instruction manual Cases Where Autofocus is not Acceptable