To use this Fujinon broadcast camera lens, simply attach it to your compatible camera. When shooting, adjust the focal length according to your needs. You can use the zoom function to get closer or farther views. Make sure the lens is clean before each use. Avoid touching the lens surface with your fingers as it can leave smudges. If the lens gets dirty, use a soft lens cleaning cloth to gently wipe it. Store the lens in a dry and clean place to prevent dust and moisture damage. Don't expose it to extreme temperatures or rough handling.