Nikon AF-S DX: Variable maximum apertures Lens care The built-in flash and vignetting

Variable maximum apertures

Lens care

Zooming the lens changes the maximum aperture by

• Be careful not to allow the CPU contacts 0 to

1

up to 1

/3 stop.

become dirty or damaged.

However, the camera will compensate for any change

• Clean lens surfaces with a blower brush. To remove

in aperture by adjusting the shutter speed so as to

dirt and smudges, use a soft, clean cotton cloth or

maintain the correct exposure value.

lens tissue moistened with ethanol (alcohol) or lens

cleaner. Wipe in a circular motion from the center to

The built-in flash and vignetting

the outer edge, taking care not to leave traces or

Vignetting is the darkening of the corners around the

touch other parts of the lens.

image that occurs when the light emitted by the flash

• Never use organic solvent such as thinner or benzene

is obstructed by the lens hood 1, or lens barrel,

to clean the lens.

depending on the focal length or shooting distance.

• NC filters are available to protect the front lens

• To prevent vignetting, do not use the lens hood 1.

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element. The lens hood 1 also helps to protect the

• The built-in flash cannot be used over distances of

front of the lens.

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less than 0.6 m (2.0 ft.).

• When storing the lens in its flexible lens pouch, attach

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Supported focal length/

both the front and rear lens caps. The lens can also be

Digital-SLR cameras

shooting distance

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stored with the lens hood 1 attached in the reverse

D700/D300/D200/

No vignetting occurs at any focal

position.

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D100/D80

length

• When the lens is mounted on a camera, do not pick

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• 18mm/1.5 m (4.9 ft.) or greater

up or hold the camera and lens by the lens hood 1.

D90/D70-series

• 24mm or longer/no restrictions

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• When the lens will not be used for an extended period

• 18mm/1 m (3.3 ft.) or greater

of time, store it in a cool, dry place to prevent mold and

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D50

• 24mm or longer/no restrictions

rust. Be sure to store the lens away from direct sunlight

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• 18mm/2.5 m (8.2 ft.) or greater

or chemicals such as camphor or naphthalene.

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D60/D40-series

• 24mm/1 m (3.3 ft.) or greater

• Do not get water on the lens or drop it in water as this

• 35mm or longer/no restrictions

will cause it to rust and malfunction.

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• Reinforced plastic is used for certain parts of the lens.

The built-in flash on the D100 and D70 is compatible

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To avoid damage, never leave the lens in an

with focal lengths of 20mm or greater.

excessively hot place.

Vignetting occurs at a focal length of 18mm.

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