Ricoh GX8 - Manual (Page 89)

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Shooting in Aperture Priority/Manual
Exposure Mode
When the mode dial is set to Aperture Priority Mode, you can set the
aperture and shutter speed manually for shooting.
In A/M Mode, both Aperture Priority Mode and Manual Exposure
Mode are available.
If only the aperture is set, the shutter speed is automatically set
according to the aperture (Aperture Priority Mode). If the shutter
speed is also set, you can take pictures with the shutter speed and
the aperture set at the time of shutter speed setting (Manual
Exposure Mode).
The aperture can be selected from Open, Half, and Minimum.
The shutter speed can be selected from 1/2000, 1/1600, 1/1250,
1/1000, 1/800, 1/640, 1/500, 1/400, 1/320, 1/250, 1/200, 1/160,
1/125, 1/100, 1/80, 1/60, 1/50, 1/40, 1/30, 1/25, 1/20, 1/15, 1/13,
1/10, 1/8, 1/6, 1/5, 1/4, 1/3, 1/2.5, 1/2, 1/1.6, 1/1.3, 1, 2, 4, 8, 15 and
30 seconds.
Lowering the aperture value (f-number) blurs the background and
highlights the object.
Increasing the aperture value makes the focus clear for both near
and far objects.
Increasing the shutter speed allows you to take a picture as if a
quick-moving object were stopped momentarily. Lowering the
shutter speed allows you to shoot the track of a moving object
because any motion can be expressed as a flow.
The up/down dial is useful for setting in Aperture Priority Mode.
Note
• The actual aperture value depends on the zoom position.
• The diaphragm is driven when the shutter release button is fully depressed.