Before Stacking - Nikon D850 Technical Manual

If the subject moves during shooting (for example, be-
cause you are shooting outdoors), focus stacking may not
produce the desired results.
Zooming in on the petals reveals that they have been stacked in over-
lapping positions, giving the effect of a multiple exposure.

Before Stacking

l
Delete any photos not in the desired focus range before
stacking.
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