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Point Grey <strong>Blackfly</strong> Technical Reference<br />
8 <strong>Blackfly</strong> Attributes<br />
8.5 Shutter Type<br />
8.5.1 Global Shutter<br />
For cameras with a global shutter sensor, for each frame all of the lines start and stop exposure at the same time. The<br />
exposure time for each line is the same. Following exposure, data readout begins. The readout time for each line is<br />
the same but the start and end times are staggered.<br />
Some advantages of global shutter are more uniform brightness and minimal motion blur.<br />
8.5.2 Rolling Shutter<br />
For cameras with a rolling shutter sensor, for each frame each line begins exposure at an offset equal to each line's<br />
readout time. The exposure time for each line is the same, but the start and end times are staggered. Data readout for<br />
each line begins immediately following the line's exposure. The readout time for each line is the same, but the start<br />
and end times are staggered.<br />
Revised 12/13/2012<br />
Copyright ©2012 Point Grey Research Inc.<br />
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