Nikon D780 Reference Manual page 923

❚❚ Zoom and Depth of Field
Before focusing, rotate the zoom ring to adjust the focal length
and frame the photograph. If the camera offers depth-of-field
preview (stop down), depth of field can be previewed in the
viewfinder.
•
The lens uses Nikon's Internal Focusing (IF) system. Focal
length decreases as the focus distance shortens.
•
The focus distance indicator is intended only as a guide and
may not accurately show the distance to the subject. In
addition, the focus distance indicator may, due to depth of
field or other factors, not show
on a distant object.
❚❚ Aperture
Aperture is adjusted using camera controls.
AF-S NIKKOR 24–120mm f/4G ED VR Lens Manual
when the camera is focused
∞
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