Blackmagic Design URSA Cine B4 Lens Mount

The Blackmagic Design URSA Cine B4 Lens Mount lets you fit broadcast-style B4 lenses onto your URSA Cine camera, opening up access to a huge range of professional glass originally designed for traditional broadcast work. It’s built with integrated optics that are specifically matched to the URSA Cine’s RGBW sensor, which helps reduce spherical aberrations and keeps your image sharp. This mount also unlocks the camera’s 4.6K B4 crop mode in 16:9, giving you frame rates up to 240 fps for high-speed capture. It’s aimed at professional video creators who want the flexibility of using B4 mount lenses.