Sony DSC-T90/B Cyber-shot® Handbook - Page 35
ISO, High ISO sensitivity
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Table of contents ISO Sets the luminous sensitivity. The following steps are used in (Program Auto) mode. For details on the ISO sensitivity setting when Scene Selection is set to (Underwater), see page 84. When you use DSC-T900, set the mode switch to (Still image). 1 Lower the lens cover to switch to shooting mode. 2 (REC Mode) t (Program Auto) t 3 (ISO) t desired number t Operation Search HOME/MENU Search Index (Auto) //// // Sets the ISO sensitivity automatically. You can reduce image blurring in dark locations or moving subjects by increasing ISO sensitivity (select a larger number). Note • You can select only from [ISO AUTO], [ISO 80] to [ISO 800] when the shooting mode is set to Burst or Exposure Bracket mode, or when [DRO] is set to [DRO plus]. zAdjusting ISO Sensitivity (Recommended Exposure Index) ISO sensitivity is a speed rating for recording media that incorporates an image sensor that receives light. Even when the exposure is the same, images differ depending on the ISO sensitivity. High ISO sensitivity Records a bright image even in dark locations while increasing shutter speed to reduce blur. However, the image tends to become noisy. Low ISO sensitivity Records a smoother image. However, when the exposure is insufficient, the image may become darker. 35GB