This Fujinon broadcast zoom lens features a 1:1.4 aperture and a focal length range of 5.5 - 88mm. It has a 1/3' bayonet mount. However, be aware that the leather on the hand - strap is disintegrating.

Using this Fujinon broadcast zoom lens is quite straightforward. First, make sure it's properly mounted on your device with the 1/3' bayonet mount. When shooting, adjust the focal length between 5.5 - 88mm according to your needs, and the 1:1.4 aperture will give you great light - gathering ability. As for the hand - strap, since the leather is disintegrating, you may want to handle it with care to avoid further damage. For maintenance, keep it in a dry and clean place. Regularly clean the lens surface with a soft, lint - free cloth to keep it in good condition.