Sony cyber-shot dsc-w100 User Manual

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You can create various images by adjusting the exposure and the ISO sensitivity. Exposure is 
the amount of light that the camera will receive when you release the shutter.
Exposure
Adjusting the light intensity
Overexposure
= too much light
Whitish image
The exposure is automatically set to the 
proper value in the auto adjustment mode. 
However, you can adjust it manually using 
the functions below.
Manual exposure:
Allows you to adjust the shutter speed and 
aperture value manually. 
Adjusting EV:
Allows you to adjust the exposure that has 
been determined by the camera. 
step 5 in “Read This First”, page 15
Metering Mode:
Allows you to change the part of the 
subject to be measured to determine the 
exposure. 
Correct exposure
Underexposure
= too little light
Darker image
Shutter speed =  Length of time the camera receives 
light
Aperture = Size of the opening allowing light to pass 
through
ISO = 
Recording sensitivity
Exposure:
Characteristics of “shutter speed”
Characteristics of “aperture” 
(F value)
Faster
Moving objects 
appear stopped.
Slower
Moving objects 
appear to flow.
Open
In-focus range 
narrows, both 
backward and 
forward.
Close
In-focus range 
widens, both 
backward and 
forward.