// In my ModelLoad class
public void LoadContent(ContentManager content)
        {
            Model = content.Load<Model>(_modelName);
            shiftLR = 0;
            camHeight = 175f;
            zoom = 250f;
            camTarget = new Vector3(_modelPos.X, _modelPos.Y + camHeight, _modelPos.Z + -zoom);
            camPos = new Vector3(shiftLR, camHeight, Zoom);
        }

public Matrix getViewQ()
        {
            Matrix view = Matrix.CreateLookAt(CameraPos, CamTarget, Vector3.Up);
            return view;
        }

// In my Input class
// Move Forward (bug when camera position (zoom) equals or exceeds original (_modelPos.Z) position
            if (pController.IsButtonDown(Buttons.LeftThumbstickUp))
            {
                SpeedX = (float)(Math.Sin(ModelLoad.ModelRotation)) * FWDSpeed;
                SpeedZ = (float)(Math.Cos(ModelLoad.ModelRotation)) * FWDSpeed;


                ModelLoad.camPos += Vector3.Forward * SpeedZ;
                ModelLoad.camPos += Vector3.Left * SpeedX;

                ModelLoad._modelPos += Vector3.Forward * SpeedZ;
                ModelLoad._modelPos += Vector3.Left * SpeedX;
            }

            // Move Backward (works perfectly)
            if (pController.IsButtonDown(Buttons.LeftThumbstickDown))
            {
                SpeedX = (float)(Math.Sin(ModelLoad.ModelRotation)) * backwardSpeed;
                SpeedZ = (float)(Math.Cos(ModelLoad.ModelRotation)) * backwardSpeed;

                ModelLoad.camPos += Vector3.Backward * SpeedZ;
                ModelLoad.camPos += Vector3.Right * SpeedX;

                ModelLoad._modelPos += Vector3.Backward * SpeedZ;
                ModelLoad._modelPos += Vector3.Right * SpeedX;
            }