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D-2
EV
Exposure Value: A number representing the available combinations of shutter
speeds and apertures that give the same exposure effect under conditions of similar
scene brightness and ISO.
At ISO 100, the combination of a one-second shutter speed and an aperture of f/1.4
is defined as EV1.
The camera may be used only within the EV range of the exposure meter. For
example, with the F5, the exposure metering range is from EV0 to EV20 for 3D
Color Matrix Metering and Center-Weighted Metering, at ISO 100 with an f/1.4
lens.
Exposure bracketing
Shooting the same subject using a range of different exposures. Your camera
provides Auto Exposure Bracketing/Flash Exposure Bracketing.
Auto Exposure Bracketing: Auto Exposure Bracketing performs automatic
exposure bracketing with varied shutter speed and/or aperture.
Flash Exposure Bracketing: Enables you to automatically bracket exposures at
varied flash output levels, in TTL auto flash shooting, without changing the shutter
speed and/or aperture.
Exposure compensation
Exposure compensation for available light is activated by changing the shutter
speed and/or lens aperture. This is done by using AE-L/AF-L (Auto Exposure/
Autofocus Lock) button or exposure compensation button, or by Auto Exposure
Bracketing.
In flash photography with a NIKON-dedicated TTL Speedlight, exposure
compensation can also be performed by varying the amount of flash output.
Camera-originated exposure compensation affects both the foreground subject and
the background; variations in flash output amount affect only the foreground.
Exposure control
Programmed Auto: Camera sets both shutter speed and aperture for correct
exposure.
Shutter-Priority Auto: User selects shutter speed and camera sets matching lens
aperture for correct exposure.
Aperture-Priority Auto: User selects aperture and camera sets matching shutter
speed for correct exposure.
Manual: User selects both shutter speed and aperture, following or ignoring the
meter’s recommendations to achieve the desired exposure.