Sony DSC-TX7 Reference Guide
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ISO
Sets the luminous sensitivity when the camera is in Program Auto mode or when Scene
Selection is set to
Selection is set to
(Underwater).
1 Lower the lens cover to switch to shooting mode.
2
t
(ISO)
t desired number
• You can select only from [ISO AUTO], [ISO 125] to [ISO 800] when the shooting mode is set to burst
mode.
(Auto)
Sets the ISO sensitivity automatically.
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You can reduce image blurring in dark locations or moving subjects
by increasing ISO sensitivity (select a larger number).
by increasing ISO sensitivity (select a larger number).
Note
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.
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.
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.
However, when the exposure is insufficient, the image may become
darker.
z
Hints for preventing blur
Even though the camera is steady, the subject moves during the exposure and is captured
blurred when the shutter button is pressed. Camera shake is reduced automatically,
however, the function does not effectively reduce subject blur.
Subject blur occurs frequently under low-light or slow shutter speed conditions. In such a
case, shoot with the below tips in mind.
blurred when the shutter button is pressed. Camera shake is reduced automatically,
however, the function does not effectively reduce subject blur.
Subject blur occurs frequently under low-light or slow shutter speed conditions. In such a
case, shoot with the below tips in mind.
• Select a higher ISO sensitivity to make the shutter
speed faster, and press the shutter button before the
subject moves.
subject moves.
• Select
(High Sensitivity) mode in Scene
Selection.