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โShared Parameters
Here are parameters found in most models, though the Classic model is a little different.
HCTR. The horizontal position of the lens center, from -1 to +1. This can be solved for, but cannot be animated by design (technically it could, but that would be a bad idea).
VCTR. The vertical position of the lens center, from -1 to +1. This can be solved for, but cannot be animated by design (technically it could, but that would be a bad idea).
Rolling Shutter. The rolling shutter value, reflecting how long it takes the camera to read out each frame, if it isnโt effectively instantaneous. See Rolling Shutter for more information. Can be solved but not animated. Note that this value isnโt a regular lens parameter; this is just the most reasonable place to put it. If this value is grayed out and canโt be changed, that is because it is being overridden by a measured value on the Shot Setup panel. Disable rolling shutter on the shot setup panel to have the solver calculate it instead.
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