Mount B4 lenses on your URSA Mini with this B4 Lens Mount from Blackmagic Design. This lens mount replaces the existing PL mount on your URSA Mini and features corrective optics, which counteract spherical aberration inherent in B4 lens designs (to compensate for the trichroic prism in 3-chip cameras). In addition, this mount's optics expand the image circle of the attached lens to cover a central image portion of the sensor, enough to provide a Full HD image. Servo functionality can be enabled by connecting the lens to the URSA Mini via the broadcast lens controller port, located near the mount. This mount is only compatible with URSA Mini cameras that have a PL mount.
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