This Hitachi camera has a B4 (2/3') mount. Note that it does not come with a power supply.

Using this Hitachi DK - Z50 camera is quite straightforward. First, find a suitable place to mount it using the B4 (2/3') mount. But remember, you'll need to provide your own power supply as it's not included. When using, make sure the area where you place the camera has proper lighting for better results. As for maintenance, keep the lens clean with a soft cloth. Avoid exposing the camera to extreme temperatures or humidity. If you notice any issues, it's best to contact a professional for help.