Nokia n80 User Manual page 302

RM-91; RM-92
Nokia Customer Care Camera Module Troubleshooting
Figure 82 Dark and noisy image
Shaken (= blurred) images
The traditional xenon flash has the advantage of stopping the movement. This is a result of an extremely
short and intense light pulse, which makes it possible for a camera to use very short exposure time. Due to
the weak output of the LED flash, the exposure time has to be actually increased in the viewfinder mode in
total blackness, instead of shortening it. This allows the sensor to integrate longer and collect more light but
this also easily creates blurred images if care is not taken.
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