Blackmagic URSA Cine B4 Adapter Cable connects the 7-pin EXT Control connector on the front of a Blackmagic URSA Cine camera to the 12-pin Hirose lens-control connection. It enables digital lens control with compatible professional broadcast B4 lenses.
.ursa-b4-hero{display:flex;gap:32px;align-items:center;flex-wrap:wrap;background:#eef3fb;border-radius:20px;padding:28px 32px;margin:0 0 28px}.ursa-b4-hero__copy{flex:1 1 300px;min-width:0}.ursa-b4-hero__image{flex:0 1 330px;max-width:100%;width:330px;height:auto;border-radius:10px;display:block}.ursa-b4-hero h2{color:#3154c7;font-size:clamp(24px,2.9vw,30px);line-height:1.12;margin:6px 0 12px}.ursa-b4-kicker{color:#3154c7;font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase}.ursa-b4-chips{display:flex;gap:10px;flex-wrap:nowrap;margin-top:18px;max-width:100%}.ursa-b4-chip{background:#fff;border-radius:999px;color:#173a78;font-weight:700;padding:9px 13px;white-space:nowrap;font-size:14px}.atem-archive-legacy{border-left:4px solid #3154c7;background:#f4f7fc;padding:20px;border-radius:0 10px 10px 0;margin:24px 0}.atem-archive-legacy h2{font-size:clamp(21px,2.7vw,24px);line-height:1.2;margin:0 0 10px;color:#173a78}.atem-archive-legacy p+p{margin-top:16px}.product-package-47413,.product-specs-47413{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;list-style:none;margin:0;padding:0}.inside.greybox:has(> .product-package-47413),.inside.greybox:has(> .product-specs-47413){background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important;padding:0!important}.product-package-47413 li,.product-specs-47413 li{border-bottom:1px solid #d9dde2;margin:0;padding:10px 0;line-height:1.35}@media(max-width:520px){.ursa-b4-hero{padding:22px}.ursa-b4-chips{flex-wrap:wrap}.product-package-47413,.product-specs-47413{grid-template-columns:1fr}}
B4 lens control without compromise
Connect the URSA Cine camera’s front EXT Control port to a professional broadcast B4 lens with a 12-pin Hirose control connection. The cable provides the control link required for digital operation of a compatible lens.
Connect the camera to a broadcast lens
The URSA Cine B4 lens adapter cable connects a Blackmagic URSA Cine camera to broadcast or box lenses with a B4 mount.
Its 7-pin to 12-pin Hirose conversion enables digital lens control in a professional broadcast workflow.
- Blackmagic URSA Cine B4 Adapter Cable ×1
- Purpose: lens control for Blackmagic URSA Cine
- Camera connector: 7-pin EXT Control
- Lens connector: 12-pin Hirose lens control
- Lens compatibility: professional broadcast B4 lenses with 12-pin Hirose control
