Sony DSC-T30/B User Guide - Page 14

Adjusting the ISO sensitivity, Exposure - and h photo

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Exposure Adjusting the light intensity 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 Exposure: light Aperture = Size of the opening allowing light to pass through ISO = Recording sensitivity Overexposure = too much light Whitish image Correct exposure Underexposure = too little light Darker image The exposure is automatically set to the proper value in the auto adjustment mode. However, you can adjust it manually using the functions below. Adjusting EV: Allows you to adjust the exposure determined by the camera. t page 37 Metering Mode: Allows you to change the part of the subject to be measured to determine the exposure. t page 40 Adjusting the ISO sensitivity ISO is unit of measurement (sensitivity), estimating how much light an image pickup device (equivalent to photo films) receives. Even when the exposure is the same, images differ depending on the ISO sensitivity. To adjust the ISO sensitivity t page 41 High ISO sensitivity Records a bright image even when shooting in a dark location. 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. 14

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14
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.
Adjusting the ISO sensitivity
ISO is unit of measurement (sensitivity), estimating how much light an image pickup device
(equivalent to photo films) receives. Even when the exposure is the same, images differ
depending on the ISO sensitivity.
To adjust the ISO sensitivity
t
page 41
Exposure
Adjusting the light intensity
Overexposure
= too much light
Whitish image
The exposure is automatically set to the
proper value in the auto adjustment mode.
However, you can adjust it manually using
the functions below.
Adjusting EV:
Allows you to adjust the exposure
determined by the camera.
t
page 37
Metering Mode:
Allows you to change the part of the
subject to be measured to determine the
exposure.
t
page 40
Correct exposure
Underexposure
= too little light
Darker image
High ISO sensitivity
Records a bright image even when shooting in a dark location.
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.
Shutter speed
= Length of time the camera receives
light
Aperture
= Size of the opening allowing light to pass
through
ISO
=
Recording sensitivity
Exposure: