Nikon 2179 user manual Focusing, zooming, and depth of field, Focusing Fig. a, Detaching the hood

with the lens facing away from you) until it clicks into place (Fig. B).

Be sure that the lens hood mounting index is aligned with the lens hood setting index ( ) 3.

If the lens hood is not correctly attached, vignetting may occur.

To facilitate attachment or removal of the hood, hold it by the base (near the lens hood attachment index) rather than its outer edge.

Detaching the hood

Hold the lens hood by the base (near the lens hood attachment index) and turn clockwise, as viewed when holding the camera with the lens facing away from you, to detach.

Focusing, zooming, and depth of field

Before focusing, rotate the zoom ring 5 to adjust the

focal length until the desired composition is framed. If your camera has a depth-of-

field preview (stop-down) button or lever, depth of field can be previewed through

the camera viewfinder. For more information, refer to your camera's User's Manual.

•This lens is equipped with the Internal Focusing (IF) system. As this focusing system differs from non-IF

lenses, focal length at closer distances decreases slightly.

Focusing (Fig. A)

Autofocus mode

Set the camera focus mode to AF-A, AF-S or AF-C and set the A-M mode switch aon the lens to A. Press the shutter-release button halfway to focus and completely to shoot.

Manual focusing is possible even when the lens A-M mode switch is set to A.

Set the camera’s focus mode to AF-S, and press the shutter-release button halfway to initiate autofocus. Next, while pressing the shutter-release button halfway, manually rotate the lens focus ring 8 to fine-tune focus.

Note: Do not attempt to rotate the focus ring while autofocus is operating. If autofocus stops operating, release and press the shutter-release button halfway again.

Manual focus mode

Set the A-M mode switch aon the lens to M. Rotate the focus ring 8manually to focus. Shooting is possible when camera focus mode is set to either AF or M.

Lens A-M	Camera focus mode
mode switch a	AF-A/AF-C	AF-S	M
A	Autofocus	Autofocus	—
		(manual focus)
M	Manual focus (focus assist is available)

En

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