Sony DSC-H20 - Manual (Page 44)

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EV
You can adjust the exposure manually in 1/3 EV steps in a range of –2.0 EV to +2.0 EV.
1 MENU t (EV) t desired EV setting
• In Easy Shooting mode, the EV setting cannot be adjusted.
• If you shoot a subject in extremely bright or dark conditions, or when you use the flash, the exposure
adjustment may not be effective.
Notes
z Adjusting the exposure for better looking images
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.
Shutter speed = Length of time the camera receives light
Aperture = Size of the opening allowing light to pass through
ISO sensitivity (Recommended Exposure Index)
= Recording sensitivity
Overexposure = too much light
Whitish image
Lower EV setting –
Correct exposure
Higher EV setting +
Underexposure = too little light
Darker image
Exposure: