SPECIAL FOCUSING SITUATIONS
Autofocus operation and electronic focusing confirmation depend upon the general lighting of the scene, subject contrast and details, and other technical points. Under certain conditions, the automatic focusing system/electronic focusing confirmation may experience difficulty. In these circumstances, we recommend you focus manually using the clear matte field.
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Focus indicator LED blinks or disappears with the following subjects:
1)Very dark subject
Focus manually, or for autofocus, focus on another, brighter subject located at the same distance, or use accessory Nikon Autofocus 8peed- light
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