The Marshall Electronics 4300 series lenses use a M12 x 0.5 thread and are compatible with various bullet size and board cameras. It is excellent for robotics, imaging, machine vision, security, OEM applications. The V-LH04 and V-LH08 lens holders can be used for OEM designs using their V-4300 series lenses. Custom designed metal or plastic lens holders are available to meet any requirement.