Nikon D780 Reference Manual page 379

•
To choose the amount the focus distance changes with
each shot:
Highlight [Focus step width]
and press 2 .
- A value of 5 or less is recommended, as higher settings
increase the risk that some areas will be out of focus when
the shots are stacked. Try experimenting with different
settings before shooting.
Press 4 to reduce the focus
step width, 2 to increase.
Press J to proceed.
Other Shooting Options
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