Nikon D3200 User Manual download pdf (Page 48)

Mode S (Shutter-Priority Auto)

In shutter-priority auto, you choose the shutter speed while the camera

automatically selects the aperture that will produce the optimal exposure.

Use slow

shutter speeds to suggest motion by blurring moving subjects, fast shutter speeds to

“freeze” motion.

To choose a shutter speed, rotate the command

dial.

Mode A (Aperture-Priority Auto)

In aperture-priority auto, you choose the aperture while the camera automatically

selects the shutter speed that will produce the optimal exposure. Large apertures

(low f-numbers) reduce depth of field, blurring objects behind and in front of the

main subject. Small apertures (high f-numbers) increase depth of field, bringing out

details in the background and foreground. Short field depths are generally used in

portraits to blur background details, long field depths in landscape photographs to

bring the foreground and background into focus.

To choose an aperture, rotate the command dial

(the maximum and minimum values for aperture

vary with the lens used).

Command dial

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Nikon D3200 User Manual Page 48