Nikon 25478B, D5100 Auto Meter-Off, Built-in Flash, Using a Zoom Lens, Image Sensor Cleaning

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AAuto Meter-Off

The viewfinder and information display will turn off if no operations are performed for about 8 seconds (auto meter-off), reducing the drain on the battery. Press the shutter-release button halfway to reactivate the display. The auto meter-off delay can be selected using Custom Setting c2 (Auto off timers; 0 11).

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Exposure meters on Exposure meters off Exposure meters on

AThe Built-in Flash

If additional lighting is required for correct exposure in i mode, the built-in flash will pop up automatically when the shutter-release button is pressed halfway. If the flash is raised, photographs can only be taken when the flash-ready indicator (M) is displayed. If the flash- ready indicator is not displayed, the flash is charging; remove your finger briefly from the shutter-release button and try again.

To save battery power when the flash is not in use, return it to its closed position by pressing it gently downward till the latch clicks into place.

AUsing a Zoom Lens

Use the zoom ring to zoom in on the subject so that it fills a	Zoom in
larger area of the frame, or zoom out to increase the area
visible in the final photograph (select longer focal lengths	Zoom ring
on the lens focal length scale to zoom in, shorter focal
lengths to zoom out).
	Zoom out

AImage Sensor Cleaning

The camera vibrates the low-pass filter covering the image sensor to remove dust when the camera is turned on or off.

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