Cases where autofocus is not acceptable, Very dark subject, Low-contrast subject – Nikon Camera F50 User Manual

Page 54

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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.

• 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.

When the focus brackets are

positioned on the following

subjects/scenes, ignore in

focus • indication and focus

manually:

• 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 niter, or a

special niter, e.g., a soft

focus niter.

(Circular

polarizing filters can be

used for autofocus.)