Mount: B4 (2/3'). Comes with original packaging, which provides a great protective layer for the lens.

This Fujinon 4K servo lens is a great addition to your Blackmagic URSA Broadcast camera. To use it, simply attach the lens to the camera using the B4 mount. Make sure it's securely fastened. When using, keep the lens clean and free from dust and fingerprints. You can use a soft, dry cloth to gently wipe the lens surface. Avoid using harsh chemicals or abrasive materials as they can damage the lens. For storage, put it back in the original packaging to protect it from scratches and impacts. And remember to keep it in a dry and cool place to maintain its performance over time.