Sony Cyber-shot DSC-H55 Instruction Manual page 78

ISO
Adjusts the luminous sensitivity when the camera is set to Program Auto, Manual Exposure
Shooting or (Advanced Sports Shooting) in Scene Selection.
1 MENU t (ISO) t desired mode
(Auto)
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Notes
• You cannot select [ISO AUTO] in Manual Exposure Shooting mode.
• You cannot select ISO settings other than [ISO AUTO], [ISO 80] to [ISO 800] in the following cases:
– When Burst/Bracket mode is selected
– When Scene Selection is set to
– When [DRO] is set to [DRO plus]
z Adjusting 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.
Sets the ISO sensitivity automatically.
You can reduce image blurring in dark locations or moving subjects
by increasing ISO sensitivity (select a larger number).
(Advanced Sports Shooting)
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.
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