Nikon D780 DSLR Camera (Body Only) - Manual (Page 716)

670 Menu Guide > B The Setup Menu
3
Press the shutter-release
button halfway to focus.
• If you are using a zoom lens, rotate
the zoom ring all the way to select
either the maximum angle or
maximum zoom before focusing.
• Before focusing, mount the camera on a tripod and aim the
camera at a flat, high-contrast subject parallel to the
camera focal plane.
• Note that auto AF fine-tuning works best at maximum
aperture.
• Zoom in on the view through the lens to confirm that the
subject is in focus. Focus can be adjusted manually if
necessary.
• Note that live view autofocus and auto AF fine-tuning may
not function in dark surroundings.