This focus grip is great for professional remote lenses. Note that the flex cable is not included.

Using this Fujinon CFH - 3 focus grip is easy. Just attach it to your professional remote lens. When using, make sure to handle it gently as it's a delicate piece of equipment. Avoid dropping it or exposing it to extreme temperatures. For maintenance, clean it regularly with a soft, dry cloth. Remember, the flex cable is not included, so you'll need to get one separately if you need it.