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Blackmagic Design URSA Broadcast Camera - B4 Mount

Blackmagic Design
Estimated to Ship Contact Sales For ETA
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
This camera features professional broadcast controls, integrated ND filters, non-stop 12‑bit recording of ProRes and DNx files to dual SD UHS‑II or CFast cards, and an interchangeable B4 lens mount.
Key Highlights
  • 4K Broadcast Camera
  • 12 Stops+ dynamic range
  • Interchangeable B4 Lens Mount


The Blackmagic Design URSA Broadcast Camera - B4 Mount is, essentially, two cameras in one: a field camera for ENG and programming work, and a professional studio camera that is ideal for traditional broadcasters. URSA Broadcast is compatible with the lenses and batteries you already own, and avoids the proprietary media cards and file formats of other cameras, instead recording on regular SD cards with the same common file formats found on broadcast media management systems and most NLE software. URSA Broadcast is also ideal for web broadcasters, as it is compatible with older, aftermarket HD lenses and inexpensive photo lenses.

Flexibility in the Field

The URSA Broadcast's compact form factor, familiar controls, and broadcast camera features are designed for ENG style shooting, enabling the operator to work quickly when capturing breaking news. URSA Broadcast provides exceptional image quality, accurate skin tones, and vibrant colors that are far superior to DSLRs or mirrorless cameras. The new extended video mode captures images that do not require color grading, allowing you to shoot, edit, and air stories faster than ever before.

Standardized Media & File Formats

URSA Broadcast is the first professional broadcast camera designed to work with standard media cards and file formats, compatible with virtually all broadcast systems and editing software. URSA Broadcast records onto inexpensive standard SD cards, UHS-II cards, and CFast media, recording 1080i or 2160p video as standard .mov files (with an .mxf wrapper to be added in future updates). URSA Broadcast records using DNx145, DNx220X, or ProRes to ensure file compatibility with your existing broadcast systems and workflows.

Native B4 Lens Mount

The included broadcast B4 lens mount features high performance cinema quality optics with spherical aberration correction specifically designed to match the camera's sensor. The 2/3" mount lets you use existing HD lenses or Ultra HD lenses. Many high quality HD lenses can be used at resolutions well beyond HD, all the way up to 2.5K or 3K. Because B4 lenses are par-focal and have a very wide depth of field, the image remains in focus as you zoom in and out, so you don't need to chase focus as you shoot. This eliminates the need to change lenses or refocus between close up, medium and wide shots, making it easier to follow the action in fast-paced sports coverage. You can also take advantage of full electronic B4 lens control to adjust focus, iris, and zoom using the camera's controls, or remotely from an ATEM switcher using the SDI camera control protocol. 

Interchangeable Lens Mount System

The standard B4 mount can be exchanged for an optional EF, F, or PL lens mount for a wide range of lens compatibility. That means if you're just starting out you can use low cost, high quality EF photographic lenses and then upgrade to more expensive lenses as needed. Using an EF, PL or F mount lens is a great option when permanently rigging and mounting cameras in locked off positions on set, so you can avoid tying up broadcast lenses for camera positions without operators. Because the lens mounts are easy to change, you can also quickly reconfigure cameras from job to job.

4K Image Sensor

URSA Broadcast features an incredible 4K image sensor and a new extended video mode with better dynamic range and color fidelity. The image sensor is designed for both HD and Ultra HD, for enhanced texture and detail, accurate skin tones, vibrant color, and high dynamic range footage, all without the need for post production. The high resolution sensor is a distinct advantage, even when working in Full HD, due to sub-pixel image processing and superior anti-aliasing for significantly sharper images. 

Integrated ND Filters

URSA Broadcast features high quality neutral density (ND) filters that quickly reduce the amount of light entering the sensor. The 1/4, 1/16th and 1/64th stop filters have been specifically designed to match the image sensor and color science of URSA Broadcast, providing you with additional latitude and better colorimetry, even under harsh lighting conditions. This permits use of different combinations of aperture and shutter angle, in a wider range of scenarios. The IR filters have been designed to evenly filter both optical and IR wavelengths, eliminating the IR contamination typically associated with ND filters. The URSA Broadcast ND filters are true optical filters, with a precision mechanism that quickly moves them into place when the ND filter dial is manipulated. Filter settings can be displayed as a fraction, number, or stop reduction on the LCD.

Recording System

URSA Broadcast features both dual CFast 2.0 recorders and dual SD/UHS-II card recorders so you can choose the media that works best for you. Both types of media are standard, non-proprietary, inexpensive and readily available at most computer and camera stores. URSA records 10-bit broadcast quality DNxHD 145, DNxHD 220X, or ProRes files with metadata, making the camera compatible with virtually all editing software. That also means URSA Broadcast is easy to integrate with your existing broadcast systems. The user can also record lossless 12-bit CinemaDNG RAW files for high quality programming and post production workflows. With dual slots for each media type, URSA Broadcast features redundant recorders and non-stop recording options (when the first card is full, recording automatically continues onto the next card, enabling hot swapping of media).

Durable, Lightweight Construction

URSA Broadcast features a strong, lightweight magnesium alloy body that is perfectly balanced and designed to be comfortable for all day operation. Like traditional broadcast cameras, it features familiar, externally mounted mechanical switches and controls for direct access to critical camera settings. The controls are laid out intuitively, making them easy to recall and locate by feel, and adjust settings without needing to remove the camera from your shoulder. Use the integrated 4" foldout touchscreen for monitoring, or control the camera via a software interface that provides full redundancy for all external controls and camera functions. There are even redundant controls for the power switch. URSA Broadcast also includes standard, full size connections for audio via XLR connectors, SDI via BNC connectors, and broadcast power input via a standard 4-pin XLR 12V DC connector.

Integrated 4" Touchscreen Display

The status display is a daylight viewable LCD screen, indicating record timecode, locked timecode, and reference timecode, along with the current shooting frame rate, shutter angle, aperture, white balance, gain, and iris. It also features a battery indicator, card recording status, and audio meters for monitoring levels. The screen's backlight can be turned on when shooting in dimly lit locations, off when shooting outdoors and in bright light to increase contrast, making it easy to read under any lighting conditions.

Slow Motion

URSA Broadcast can shoot super smooth, crystal clear slow motion video, recording at higher frame rates for playback at standard video frame rates. You can set up your preferred high speed frame rate using the camera's on screen menus and then switch between standard sync speed and off speed frame rates with the touch of a button. URSA Broadcast can capture full resolution Ultra HD at up to 60 frames per second.

Audio Recording

URSA Broadcast features a high quality, integrated stereo microphone and professional audio recorder. You can also connect professional microphones using the two XLR mic inputs, featuring 48V switchable phantom power for everything from shotgun mics to wireless clip-on lavs. With dual microphone inputs, you can record a reporter in the field wearing a lapel or handheld mic while also capturing ambient sound via the second input. The user can record the same microphone to both channels using different levels to avoid clipping from loud, unpredictable noises in the field. URSA Broadcast also features external knobs for adjusting levels and onscreen meters so you can trim audio levels, even when shoulder mounted.

Studio Features

URSA Broadcast features integrated remote control, color correction, talkback, tally and other features designed to make it an excellent studio camera for live switched production. The camera can be remote controlled via SDI using the Blackmagic SDI Camera Control protocol. Add an optional URSA Studio Viewfinder, Blackmagic Camera Fiber Converter and Studio Fiber Converter to get the exact same workflow and features of studio cameras costing hundreds of thousands of dollars. When the live production is complete, you can quickly transform URSA Broadcast back into a normal shooting camera.

Standard Connectors

Blackmagic URSA Broadcast features the latest technology and connections, such as multi-rate 12G-SDI connections for video output and return program feed input. All connections use standard broadcast connectors so you don't need expensive, proprietary cables. Connections automatically switch speed for all HD and Ultra HD formats up to 2160p60 over a single cable. Take advantage of HD-SDI monitoring out, (2) LANC inputs, balanced XLR audio with phantom power, and timecode/reference input. On the front-right side of the camera is a 12-pin Hirose connector for broadcast lens control, which can both power and control SD, HD, and Ultra HD lenses with analog and digital control. A 4-pin XLR 12V DC power output and HD-SDI monitor output can be used with an optional URSA Viewfinder, URSA Studio Viewfinder, or any viewfinder or external monitor you prefer (sold separately).

Intuitive OS

URSA Broadcast features the advanced Blackmagic OS, with an intuitive user interface that lets you use simple tap and swipe gestures. Many features have been retained from the URSA Mini digital film camera, if you need to do more advanced programming work. The user can set up the camera, enter metadata, and more. The unique heads up display positions commonly used functions at your fingertips, so you can tap on a control and quickly make adjustments without having to navigate through complex menus. The digital slate makes entering metadata simple, thanks to its built-in dictionary, predictive text entry, and on-screen keyboard.

Power Options

URSA Broadcast includes an industry standard 4-pin XLR power connector, compatible with 12-20V external power supplies and battery packs. The standard power connector also makes it easy to use the camera with your existing power supplies and batteries. All URSA cameras use the same battery power connector and mounting points on the rear of the camera, enabling use of a wide range of battery plates from manufacturers (e.g., IDX, Blueshape, Anton/Bauer, and more). You can also add the easy-to-install, optional Blackmagic URSA VLock Battery Plate or Blackmagic URSA Gold Battery Plate to enable use of popular V‑Mount and Gold Mount batteries.


  • 2/3" sensor size when using 4K B4 mount (actual sensor size: 13.056mm x 7.344mm)
  • Electronic lens control via 12‑pin broadcast connector (control also possible via EF mount pins when using optional URSA Mini Pro EF Mount)
  • 12 Stops+ dynamic range
  • Shooting Resolutions: 3840x2160, 1920x1080
  • Project frame rates of 23.98, 24, 25, 29.97, 30, 50, 59.94 and 60 fps supported (off‑speed frame rates up to 60p)
  • Four position ND filter wheel with clear, 2‑stop, 4‑stop and 6‑stop ND filters
  • Focus button turns on peaking (auto focus available using compatible lenses with focus servo)
  • Iris wheel and touchscreen slider for manual iris adjustment on electronically controllable lenses, iris button for instant auto iris settings on compatible lenses so no pixel is clipped in film mode
  • Scene average auto exposure in video and extended video mode
  • 4" fold-out LCD capacitive touchscreen
  • Push buttons for other controls and (2) assignable shortcut keys
  • Automatically populated lens data from electronic B4 lenses
  • Automatic recording of camera settings and slate data such as project, scene number, take and special notes
  • Highly accurate timecode clock (less than 1 frame drift every 8 hours)


  • HD Video Standards:
    • 1080p23.98
    • 1080p24
    • 1080p25
    • 1080p29.97
    • 1080p30
    • 1080p50
    • 1080p59.94
    • 1080p60
    • Interlaced output via SDI 1080i50, 1080i59.94, 1080i60
  • Ultra HD Video Standards:
    • 2160p23.98
    • 2160p24
    • 2160p25
    • 2160p29.97
    • 2160p30
    • 2160p50
    • 2160p59.94
    • 2160p60

Supported Codecs:

  • DNxHD 220X
  • DNxHD 145
  • Apple ProRes 4444 XQ QuickTime
  • ProRes 4444 QuickTime
  • ProRes 422 HQ QuickTime
  • ProRes 422 QuickTime
  • ProRes 422 LT QuickTime
  • ProRes 422 Proxy QuickTime
  • CinemaDNG RAW
  • CinemaDNG RAW 3:1
  • CinemaDNG RAW 4:1

Storage Rates (30fps):

  • 3840 x 2160:
    • Apple ProRes 444 XQ - 250 MB/s
    • Apple ProRes 444 - 165 MB/s
    • Apple ProRes 422 HQ - 110 MB/s
    • Apple ProRes 422 - 73.6 MB/s
    • Apple ProRes 422 LT - 51 MB/s
    • Apple ProRes Proxy - 22.4 MB/s
  • 1920 x 1080:
    • Apple ProRes 444 XQ - 62.5 MB/s
    • Apple ProRes 444 - 41.25 MB/s
    • Apple ProRes 422 HQ - 27.5 MB/s
    • Apple ProRes 422 - 18.4 MB/s
    • Apple ProRes 422 LT - 12.75 MB/s
    • Apple ProRes Proxy - 5.6 MB/s
    • DNxHD 220X - 27.5 MB/s
    • DNxHD 145 -18.2 MB/s

What's in the Box

  • Power Supply
  • B4 Lens Mount (Installed)
  • Turret Dust Cap
  • URSA Broadcast Camera Body
  • SD Card with Software & Manual


Key Highlights

  • 4K Broadcast Camera
  • 12 Stops+ dynamic range
  • Interchangeable B4 Lens Mount
  • Integrated IRND filters
  • 4" fold-out touchscreen
  • Redundant physical controls

Camera Lens System

Camera Lens Mount:
ND Filter:
Clear, 2 stops, 4 stops, 6 stops


Output Connector/Port:
1 x 4-pin XLR - 12V output using 4-pin XLR for powering external on-board accessories such as your EVF
2 x BNC - HD/3G/6G/12G-SDI (clean output and monitor output)
1 x Headphone Jack - 3.5mm, supports iPhone microphone for talkback
Input Connector/Port:
1 x USB Type C - for software updates
2 x LANC - 2.5mm LANC (controls record start/stop, electronic iris, and electronic focus)
1 x BNC - HD/3G/6G/12G-SDI
1 x Timecode - REF: Tri-Sync/Black Burst/Timecode
2 x XLR - mic/line/AES, phantom power output


Monitor Size:
4" - Diagonal
Monitor Type:
LCD - Capacitive Touchscreen


Power Input:
1 x Molex 12-pin - for rear battery plate
1 x 4-pin XLR - for external power or battery use
Power Adapter:
External 12V power supply included


Recording Frame Rate:
23.98, 24, 25, 29.97, 30, 50, 59.94 and 60 fps supported - Off‑speed frame rates up to 60p

Recording / Media

Media Type:
2 x CFast 2.0

Sensor Specifics

Sensor Dynamic Range:
12+ stops
Sensor Dimensions:
13.056mm x 7.344mm - 2/3" (when using 4K B4 mount)

Software / Apps / Plugins

PC Requirements:
Mac 10.11 El Capitan, Mac 10.12 Sierra, Mac 10.13 High Sierra or later
Windows 8.1 or Windows 10


Camera Options:
Camera Body Only
Camera Features:
ND Filter Built-In
Iris Dial:
Iris Wheel & Touchscreen Slider for manual iris adjustment on electronically controllable lenses - Iris Button for instant auto iris settings on compatible lenses so no pixel is clipped in film mode; scene average auto exposure in video mode
Camera Focus Settings:
Focus button turns on peaking, auto focus available using compatible lenses
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