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What is the spinning wheel in the lower right hand corner?

The spinning wheel represents the angle and position of the camera's rotary shutter.  The transparent area represents when the camera is exposing a frame of film, and the dark gray area represents when the camera is not accumulating light.

The Capture Interval controls how fast the shutter takes to make one full rotation.

The Shutter Angle controls how much of each interval will be exposed for each frame captured.
  1. An angle of 1 degree will take the fastest picture possible with the minimum amount of motion blur that the device is capable of.
  2. An angle of 360 degrees will collect light continuously producing the maximum amount of motion blur for each frame.
  3. The standard shutter angle used for most motion pictures is 180 degrees. Using this angle will give an authentic cinematic feel to your time-lapse movies.

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