Nikon Z9 Mirrorless Camera - Manual (Page 121)

121 Focus
D Caution: Face/Eye-Detection AF
Subject detection may not perform as expected if:
• the subject’s face is too large or small relative to the frame,
• the subject’s face is too brightly or dimly lit,
• the subject is wearing glasses or sunglasses,
• the subject’s face or eyes are obscured by hair or other objects, or
• the subject moves excessively during shooting.
D Cautions: Animal-Detection AF
• Subject detection may not perform as expected if:
- the subject’s face is too large or small relative to the frame,
- the subject’s face is too brightly or dimly lit,
- the subject’s face or eyes are obscured by fur or the like,
- the subject’s face and eyes are of similar colors, or
- the subject moves excessively during shooting.
• The camera may display a border around subjects that are not dogs, cats,
or birds but which resemble these animals.
• The light from the AF-assist illuminator may adversely affect the eyes of
some animals; when using animal-detection AF, select [
OFF ] for Custom
Setting a12 [ Built-in AF-assist illuminator ].