Sony DSC-T20/B Cyber-shot® Handbook - Page 39
ISO: Selecting a luminous sensitivity, EV: Adjusting the light intensity
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Shooting menu For details on the operation 1 page 30 ISO: Selecting a luminous sensitivity Low ISO sensitivity High ISO sensitivity Selects a luminous sensitivity with units of ISO. The larger the number, the higher the sensitivity. (Auto) Select a large number when shooting in dark locations or shooting a subject moving at high speed, or select a small number to obtain high image quality. Using functions for shooting • For details on the ISO sensitivity, see page 8. • Note that the image tends to become noisier as the ISO sensitivity number increases. • [ISO] is set to [Auto] in the Scene Selection mode. • When shooting under brighter conditions, the camera automatically increases its tone reproduction and helps prevent images to become whitish (excluding when [ISO] is set to [80]). EV: Adjusting the light intensity Manually adjusts the exposure. Toward - Toward + -2.0EV 0EV +2.0EV Toward -: Darkens an image. The exposure is determined automatically by the camera. Toward +: Brightens an image. • For the details on the exposure, see page 8. • The compensation value can be set in 1/3EV increments. • If a subject is being shot in extremely bright or dark conditions, or the flash is used, the exposure adjustment may not be effective. 39