Turn your URSA Mini Pro into an incredibly compact broadcast camera that you can use with your existing high definition B4 broadcast lenses! URSA Mini Pro features a standard 12-pin Hirose lens control connection that’s compatible with both B4 and PL lenses. You can remotely control record start/stop, iris and motorized zoom lenses! The URSA Mini Pro B4 Mount is a replacement mount for the URSA Mini Pro. This mount enables using your ENG-style B4 mounted HD. The mount incorporates corrective optics that enable the use of a lens designed to work on a camera with three sensors and a prism, on the URSA Mini Pro, which is a single-sensor camera, without the image suffering from optical degradation.