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❚❚ 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.
Note: The lens uses Nikon’s Internal Focusing (IF) system. Unlike
other lenses, focal length decreases as the focus distance
shortens. Note that the focus distance indicator is intended only
as a guide and may not accurately show the distance to the
subject and may, due to depth of field or other factors, not show
∞ when the camera is focused on a distant object.
To lock the zoom ring, rotate it to the 18 mm position and slide
the zoom lock switch to LOCK. This prevents the lens extending
under its own weight while the camera is being carried from
place to place.
❚❚ Aperture
Aperture is adjusted using camera controls.
Zoom and Maximum Aperture
Changes to zoom can alter the maximum aperture by up to
1
1
/
3 EV. The camera however automatically takes this into
account when setting exposure, and no modifications to camera
settings are required following adjustments to zoom.
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