Q100162: Orthographic camera in Mari is hard to control when an alembic geometry is imported
There have been cases where the orthographic camera can not be controlled or jitter appears when the camera is moved. This behavior usually occurs when an alembic geometry is imported into Mari.
A alignment compatibility problem between the camera of the alembic file and Mari's default camera may be the issue. You just need to reset the camera to get normal movement. To reset the camera, from the top menu select:
Camera → Reset Camera
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