Panasonic AJ-CX4000GJ - Pro 4K/HDR Streaming Camcorder

Panasonic AJ-CX4000GJ Professional 4K/HDR Streaming Camcorder with B4 Lens Mount

The Panasonic AJ-CX4000GJ is a professional shoulder-mounted 4K/HDR broadcast camcorder designed for live production, television broadcasting, sports, news gathering, and high-end video production. Combining UHD 4K recording, HDR imaging, advanced IP streaming, and the familiar ergonomics of a B4 lens-mount camcorder, it delivers a versatile solution for modern broadcast workflows.

Built around a 4/3-inch MOS image sensor with approximately 11.1 MP effective resolution, the AJ-CX4000GJ records UHD 4K video at up to 60 fps while supporting Hybrid Log-Gamma (HLG) and Panasonic V-Log for high dynamic range production.

Professional connectivity includes 12G-SDI, 3G-SDI, HDMI, Gigabit Ethernet, Genlock, Timecode, and multiple recording formats using expressP2 and microP2 media.

Key features

• Professional UHD 4K shoulder-mounted camcorder.

• 4/3-inch MOS image sensor with approximately 11.1 MP effective resolution.

• B4 interchangeable lens mount.

• UHD 4K recording up to 60 fps.

• HDR recording with HLG and Panasonic V-Log.

• AVC-Ultra recording.

• HEVC 4K recording.

• Simultaneous dual-codec recording.

• One expressP2 card slot.

• Two hybrid microP2/SD card slots.

• 12G-SDI, 3G-SDI, and HDMI outputs.

• Gigabit Ethernet with IP streaming support.

• Optional Wi-Fi, 4G, and 5G connectivity.

• Optional NDI|HX support through a separate license.

• 3.5-inch articulating touchscreen LCD.

• Four-channel professional audio recording.

Professional UHD 4K and HDR imaging

The AJ-CX4000GJ uses a highly sensitive 4/3-inch MOS image sensor capable of capturing detailed UHD 4K video with excellent image quality and minimal noise.

The camera delivers:

• UHD 4K recording up to 60 fps.

• High sensitivity.

• Minimum illumination of approximately 0.005 lux.

• Wide dynamic range.

• Excellent low-light performance.

HDR recording is supported through:

• Hybrid Log-Gamma (HLG).

• Panasonic V-Log.

These profiles provide extended tonal range for professional broadcast and cinematic workflows.

Advanced optical controls

The camera includes a mechanical neutral density filter wheel offering multiple optical ND filter settings:

• Clear.

• 2-stop (1/4).

• 4-stop (1/16).

• 6-stop (1/64).

Additional professional monitoring tools include:

• Focus peaking.

• Waveform monitoring.

• Zebra patterns.

• Video markers.

Professional recording formats

The AJ-CX4000GJ records using Panasonic's AVC-Ultra family of codecs together with HEVC recording for efficient high-quality capture.

Supported recording formats include:

• AVC-Intra.

• AVC-LongG.

• MOV.

• P2.

The camera supports dual-codec recording, proxy creation, Shot Mark functions, and metadata recording for efficient production workflows.

Touchscreen operation

The integrated 3.5-inch color touchscreen LCD provides intuitive control over camera settings and menu navigation.

The high-resolution display allows rapid adjustment of recording parameters and camera configuration during production.

Professional media system

Recording media includes:

• One expressP2 slot.

• Two hybrid microP2 / SD / SDHC / SDXC card slots.

The hybrid slots support high-speed UHS-II recording using V90 media for demanding 4K workflows.

Professional connectivity

The AJ-CX4000GJ offers extensive broadcast connectivity, including:

• 12G-SDI output.

• 3G-SDI output.

• HDMI output.

• Gigabit Ethernet.

• Genlock input.

• Timecode input/output.

• USB-A.

• USB-C.

• Professional XLR audio connections.

• Dedicated wireless receiver interface.

The camera supports optional wireless communication using Panasonic expansion modules or compatible third-party USB adapters for:

• Wi-Fi.

• 4G.

• 5G.

NDI|HX functionality is available through a separate software license.

Included in the box

• Panasonic AJ-CX4000GJ Pro 4K/HDR Streaming Camcorder.

• Body cap.

• Shoulder strap.

Technical specifications

Imaging

• Lens mount:

  • B4.

• Lens communication:

  • Supported.

• Effective sensor resolution:

  • Approximately 11.14 MP.

• Sensor type:

  • 4/3-inch MOS.

• Image stabilization:

  • No.

• Built-in ND filter:

  • Mechanical filter wheel.

  • Clear.

  • 2-stop.

  • 4-stop.

  • 6-stop.

• Capture type:

  • Video only.

Exposure

• Shutter type:

  • Electronic rolling shutter.

• Shutter speed:

  • 1/1000 to 1/100 second.

• Gain:

  • -6 to 30 dB.

  • Extended: -6 to 42 dB.

• Shutter angle:

  • 3° to 360°.

  • 0.5° increments.

• White balance:

  • 2000 K to 15,000 K.

  • ATW.

  • AWB.

Internal recording

AVC-Intra / MOV / P2 4:2:2 10-bit

• UHD 4K (3840 × 2160):

  • 23.98.

  • 29.97.

  • 59.94 fps.

• Full HD 1920 × 1080p:

  • 23.98.

  • 29.97.

  • 59.94 fps.

• 1920 × 1080i:

  • 50.

  • 59.94 fps.

• 1440 × 1080i:

  • 50.

  • 59.94 fps.

• 1280 × 720:

  • 50.

  • 59.94 fps.

AVC-Intra / MOV / P2 4:2:0 10-bit

• UHD 4K (3840 × 2160):

  • 23.98.

  • 29.97.

  • 59.94 fps.

• Full HD:

  • Multiple recording modes.

• HD:

  • Multiple recording modes.

AVC-LongG / MOV / P2 4:2:0 8-bit

• UHD 4K.

• Full HD.

• HD.

Video outputs

• 12G-SDI.

• 3G-SDI.

• HDMI.

• UHD output up to 60 fps.

Audio recording

• AVC-Intra:

  • Four-channel 24-bit / 48 kHz.

  • Four-channel 16-bit / 48 kHz.

• AVC-LongG:

  • Four-channel 24-bit / 48 kHz.

  • Four-channel 16-bit / 48 kHz.

IP streaming

• Codec:

  • H.264.

• Resolution:

  • 360 × 180 up to 3840 × 2160.

• Frame rates:

  • 24p.

  • 25p.

  • 30p.

  • 50p.

  • 60p.

• Bitrate:

  • 0.5 to 75 Mbps.

Media

• One expressP2 slot.

• Two hybrid microP2 / SD / SDHC / SDXC slots.

• UHS-II V90 recommended.

Video interfaces

• 1 × 12G-SDI output.

• 1 × 3G-SDI output.

• 1 × HDMI output.

Audio interfaces

• 2 × XLR microphone/line inputs with phantom power.

• 2 × headphone outputs.

• 1 × XLR 5-pin microphone connector.

Power interfaces

• XLR 4-pin DC input.

• Hirose 4-pin DC output.

• 2-pin light output.

Additional interfaces

• Genlock input.

• Timecode input/output.

• Wireless receiver connector.

• 12-pin lens control.

• 20-pin monitor output.

• RJ45 Gigabit Ethernet.

• USB-A.

• USB-C.

Wireless

• Optional.

• Wi-Fi via expansion module.

• 4G and 5G support via optional accessories.

Display

• 3.5-inch articulating touchscreen LCD.

• Resolution:

  • 2.76 million dots.

Focus

• Automatic focus.

• Manual focus.

Power

• Battery mount:

  • Gold Mount.

• Power consumption:

  • 32 W.

Environmental specifications

• Operating temperature:

  • 0°C to 40°C.

• Operating humidity:

  • 10–80%.

• Storage temperature:

  • -20°C to 60°C.

Physical specifications

• Tripod thread:

  • 3/8"-16.

• Dimensions:

  • 348 × 267 × 143 mm.

• Weight:

  • 3.4 kg (body only).