Special Focusing Situations - Nikon N4004s Instruction Manual

SPECIAL FOCUSING SITUATIONS
Autofocus operation and electronic focusing con firmation
depend upon the general lighting of the scene, subject contrast
and details, and other technical points. Under certain conditions,
the au tomatic focusing system /elec tronic focusing confirmation
may experience difficulty. In these ci rc umstances, we recom·
mend you focus manually using the clear matte field.
Focus indica tor LED blinks
or
disappears wi th the following
subjects:
20
1) Very dark subject
Focu s manually, or for autofocus, focu s on another, brighter
subject located at the same distance , or use accessory Nikon
Autofocus Speedlighl S8 ·24, S8 ·23, S8 ·22
or
S8 -20. (No other
flash unit can be used.)
2) Low·contrast subject
Focus manually,
or
for autofocus, focus on another subject
located at the same distance-but with more con trast-un til
the green focus indicator LED appears.