Extended functions
37
Using the Aperture Priority, Shutter Priority, or Manual mode
Adjust the aperture value or shutter speed to control the exposure of your photos. You can use these options in the Aperture Priority,
Shutter Priority, and Manual modes.
Shutter speed
Shutter speed, which is an important factor in the brightness of a
photo, refers to the amount of time it takes to open and close the
shutter. A slow shutter speed allows more time to let light in.
All things being equal, photos are brighter, but fast moving
objects tend to blur. On the other hand, a fast shutter speed
allows less time to let light in. Photos are darker, but objects in
motion are captured more clearly.
S
Slow shutter speed
S
Fast shutter speed
Aperture value
The aperture is a hole that lets light into the camera. The aperture
housing contains thin, metal plates that open and close, widening
or narrowing the aperture, and controlling the amount of light that
enters the camera. The size of the aperture is closely related to
the brightness of a photo: the larger the aperture, the brighter the
photo; the smaller the aperture, the darker the photo.
Note that the larger the aperture value, the smaller the aperture
size. For example, an aperture set to 5.6 is larger than an
aperture set to 11.
S
Small aperture value (The size
of the aperture is large.)
S
Large aperture value (The size
of the aperture is small.)
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