BNC Male toDIN Mini BNC HD SDI 75ohm Cable for Blackmagic HyperDeck Shuttle. Plug A: DIN 1.0/2.3 connector; Plug B: BNC male connector. It is suitable for your Blackmagic and other devices. The DIN end was updated to be easier to plug and unplug than previous version, which can be more convenient to use.
eBay