The Blackmagic B4 Control Adapter Cable is an adapter cable that connects the Blackmagic Micro Studio Camera 4K to B4 lenses, which are used on television cameras. It supports digital remote control of the lens and allows the lens to be powered from an external supply. With it, the compact Micro Studio Camera 4K can use professional broadcast optics.
The Blackmagic B4 Control Adapter Cable is an adapter cable that connects the Blackmagic Micro Studio Camera 4K to B4 lenses, which are used on television cameras. It supports digital remote control of the lens and allows the lens to be powered from an external supply. With it, the compact Micro Studio Camera 4K can use professional broadcast optics.
B4 lenses on the Micro Studio Camera 4K: digital lens control and power from an external supply.

B4 lenses are the standard of television cameras. The cable lets you use such a lens with the Micro Studio Camera 4K and control it digitally from a distance.
Besides digital control, the cable also carries power to the lens from an external supply.
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