Ricoh RICOH Manual Do Utilizador

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 ISO  Sensitivity
ISO sensitivity is a measure of the camera’s sensitivity to light. A greater 
value means higher sensitivity. High sensitivity is suitable for shooting 
an object in a dark place or a fast-moving object while minimizing 
blurring.
ISO sensitivity is controlled using the [ISO Setting] option in the 
shooting menu (GP.71). When ISO setting is set to [Auto], the camera 
automatically changes the sensitivity according to the distance, 
brightness, zoom, macro settings, and picture quality/size. Choose 
settings other than [Auto] to fix ISO sensitivity at the selected value.
The upper limit for auto ISO sensitivity can be selected using the 
[Maximum for ISO Auto] (GP.73) in the shooting menu. Note that 
this option may not be available in some shooting modes (GP.104).
 Note 
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•  When [Auto] is selected for ISO sensitivity, the camera will select an ISO 
sensitivity between 100 and the value selected for [Maximum for ISO Auto].
•  Images shot with a higher sensitivity may appear grainy.
•  When [Auto] is selected for ISO sensitivity, the ISO value displayed when the 
shutter release button is pressed halfway may in some instances (for example, 
when the flash is used) differ from the value selected when the shutter is 
released.