FBX Model is Flickering after rendering

Hi Folks,
i have a problem. I have a comp with a fbx model. The cam3d make a move forward. When i render the scene the fbx model flickers and is unsteady. If i let the cam3d not move it is good. Maby one of you can help me. Thank you for your answers.
Best regards
Guido
i have a problem. I have a comp with a fbx model. The cam3d make a move forward. When i render the scene the fbx model flickers and is unsteady. If i let the cam3d not move it is good. Maby one of you can help me. Thank you for your answers.
Best regards
Guido