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Phantom Flex4K 64GB High-Speed 4K Digital Cinema Camera

Abel Code: flex4k
Mfr. Code: VRI-FLEX4K-64G-C
Phantom Flex4K 64GB High-Speed 4K Digital Cinema Camera
Key Highlights
  • 4K resolution up to 1000fps
  • High Dynamic Range
  • Low noise camera with accurate blacks


Phantom Flex4K high-speed camera with 64GB offers flexibility, low noise, and high dynamic range. Its Super 35mm 4K sensor delivers sharp, detailed images. You can capture from 15fps to 1000fps at 4K and almost 2000fps at 2K/1080p. Use the on-board camera controls instead of a computer or other interface to adjust settings and control the camera.

Customize your workflow to suit your production. The Flex4K records Cine RAW for fast, high-speed capture or Apple ProRes 422 HQ to improve downtime, save on hard drive space, and simplify your workflow.


  • Full resolution 4096 x 2304
  • Up to 1000fps at 4096 x 2160
  • Record on Phantom CineMag IV media (choose from 1TB or 2TB)
  • Choose between 128GB or 64GB of internal memory on your Flex4K
  • Monitoring - Three main 3G HD-SDI outputs, which can be configured as independent 4:4:4 1080p signals or used together to supply a dual-link 4K output, while maintaining a live HD signal
  • Viewfinder - The Phantom OLED HD Viewfinder is recommended. Support for both component and HD-SDI-based viewfinders is included.
  • Lens mount - Interchangeable between PL and Nikon F/G standards and Canon EF
  • Optional Integrated battery mount supporting industry standard batteries
  • Camera includes 2x 12V and 2x 24V accessory outputs
  • Both Mac and Windows based software for Cine download and file conversion.


At maximum resolution and frame rate the camera will capture 5 seconds of video to 64GB. Record approximately 13 minutes when recording directly to a 1TB CineMag at 96fps.

Record in ProRes 422 HQ in Run/Stop (R/S) mode to capture up to 30fps at full 4K resolution. You can convert your footage outside the camera to another format, if you want. Vision Research states that they selected ProRes 422 HQ due to the inherent quality and compression value when compared to Cine Raw files. The great news about 24fps ProRes HQ is that 5+ hours of footage can be stored on a 2TB CineMag IV.

Multiple video outputs are available on the Flex4K:

  • 3x 3G HD-SDI outputs in the rear (1x monitor or MON output and 2x recording or REC outputs)
  • 1x 3G HD-SDI viewfinder output at front (VF)
  • 1x component video viewfinder output at front (VF)
  • 1x HD-SDI output

You can use the two REC outputs (3G HD-SDI) together to provide a dual-link 4K video output or you can configure them individually as 1080p outputs. The 4K setting is determined by settings of the other outputs. Be sure to read your manual to learn all the ins and outs of this camera. If you aren’t the reading type, then check out our blogs or join one of AbelCine’s training sessions with our qualified professionals. REC output will switch between live and playback.

The MON output can be switched between either Rec709 or Phantom Log modes.

The VF and MON output produce a live signal so you can monitor the action.

Flex4K records onto Phantom CineMag IV media which can be purchased in 1TB or 2TB memory sizes. Mount one to the side of the Flex4K. Raw Cine files can be transferred from RAM or recorded directly at speeds over 800 Megapixels per second. Use a CineMag to increase your total record time.

VRI created a helpful Record Time Calculator where you can estimate the maximum frame rate and record time at any given resolution. Select Flex4K, then your CineMag size to simulate recording direct.


Imagery / Sensitivity

The Flex4K delivers lower noise than Phantom’s earlier 2K camera. Exposure index extends from ISO 250T to over 1000 without significant loss of image quality. It also features a progressive scan shutter, with less than 1ms scan time, in place of a global shutter.

Instead of RGB gains like the prior Phantom cameras, the Flex4K allows white balance in Kelvin. You also receive image processing tools such as tone curves and color matrix, among other functions.


Menu Navigation

A full menu on the right side of the Flex4K provides on-camera controls of setup and other parameters on the built-in LCD screen. A select group of controls remain on the left side of the camera, too.



Enable audio using the audio menu on the camera body. Scroll right with the select knob to locate levels.

The Flex4K feds an AES/EBU signal into the AES input on the MiniBOB (included) or a Sync/Capture cable. Audio functions at sync-sound frame rates and above. Audio should be converted from analog to digital AES/EBU using an external digitizer, such as the Sound Devices MixPre-D compact field mixer.

Monitor audio live using the headphone jack on the camera body.



You have 2x 24V input choices to power your Flex4K. Use one as your main AC power (220W). The other can opt as your battery power or behave as a backup. VRI recommends high-capacity batteries when using 14.4V.


What's in the Box

  • 1 x Phantom Flex4K 64GB High-Speed 4K Digital Cinema Camera


Key Highlights

  • 4K resolution up to 1000fps
  • High Dynamic Range
  • Low noise camera with accurate blacks
  • On-camera control interface
  • Multi-channel 3G HD-SDI outputs
  • Interchangeable lens mount
  • Includes a MiniBOB

Camera Lens System

Camera Lens Mount:
Nikon F/G - Optional
Canon EF - Optional
Interchangeable Mount:


Gamma Modes:
VRI Proprietary Log
Color Gamut:
REC 709


Output Connector/Port:
Other - Remote (RCU) port
Input Connector/Port:
3-pin ARRI R/S - Trigger inputs also available on 3-pin accessory ports

Inputs & Outputs

Timecode In/Out:
1 x 3G HD-SDI return BNC, supports Genlock
IRIG in/out (modulated or unmodulated)


Power Input:
Battery Pack - Optional 26V Hawk-Woods and 12V V-Lock Anton-Bauer backs are available for battery power


Recording Resolution:
Full HD
4K Full Frame - 940 fps Max
4K 17:9 - 5 seconds at 1000 fps, 4096 x 2160 resolution and into 64 GB of internal memory
2K 17:19 - 1950 fps max
Recording Format:
Apple ProRes 442 HQ - with CineMag
Cine RAW
Internal Memory:
64GB high-speed internal RAM
Max Record Time:
2TB CineMag IV holds - over 4 hours of 4K ProRes HQ playback at 30p
2TB CineMag IV holds - over 4 hours of 4K ProRes HQ playback at 30p
External Record:
Yes - Capable. Option of CineMag IV, CineMag IV PRO for non-volatile storage (1TB, 2TB)
Bit Rate:

Sensor Specifics

Sensor Size:
Super 35
Sensor Type:
Base ISO Color 200D; 250T
Base ISO Monochrome 800D; 2000T
Recommended EI 800-1000 Color
Sensor Width:
Sensor Dimensions:
27.6 mm x 15.5 mm

Software / Apps / Plugins

Software/App Notes:
Field-based firmware upgrade capable
Phantom SDK


Timecode Modes:
Frame synchronization to internal or external clock (FSYNC)
Offers SMPTE time code support
Genlock sync available through HD-SDI return signal


Recording Formats:
PCX - PCC Cine File Conversion to this
TGA - PCC Cine File Conversion to this
MXF PAL - PCC Cine File Conversion to this
Apple ProRes - PCC Cine File Conversion to this
MXF NTSC - PCC Cine File Conversion to this
Cine Compressed - PCC Cine File Conversion to this
CinemaDNG RAW - PCC Cine File Conversion to this
BMP, Windows - PCC Cine File Conversion to this
RAW/Uncompressed - PCC Cine File Conversion to this
AVI - PCC Cine File Conversion to this
BMP, OS/2 - PCC Cine File Conversion to this
TIFF - Multipage, PCC Cine File Conversion to this
MOV - PCC Cine File Conversion to this
QuickTime - PCC Cine File Conversion to this
JPEG - PCC Cine File Conversion to this
JTIF - PCC Cine File Conversion to this
DPX - PCC Cine File Conversion to this
Video Output Types:
HD-SDI - switch between Rec709 and Log
3 x 3G-HD-SDI - BNC, supports dual-link 4K video and simultaneous live monitoring / playback
Camera Options:
Camera Body Only
Camera Features:
Remote Control - (RCU) capable, connects direct to camera
On-Camera Controls - Phantom Camera Control (PCC)
Ethernet Interface:
Gb Ethernet for both control and data
Accessory Interface:
Component viewfinder port & 4x auxiliary ports for power and trigger
Image Capture Notes:
Motion Analysis, basic measurements via Phantom Application - Distance, Speed, Acceleration, Angles & Angular Speed, Manual & Auto point collection (for target tracking), Compatible with 3rd party solutions
Video Processing - Brightness, Gain, Gamma, Saturation, Color Temp, Color Matrix, Tone Curve, Log Mode, Image Flip & Rotate, Crop & Scale
Shutter Speed Range:
Can be set in degrees or microseconds (µs)
Exposure time - 5µs to 1/frame rate
Shutter Type:
1-millisecond progressive scan (aka rolling) shutter
Standard internal mechanical shutter for automatic/remote Current Session Reference (CSR)

Support for Every Production

Facilities in NY & LA designed for maximum comfort and efficiency

We are accustomed to working with productions and budgets of all sizes. Need a complete camera system specifically tailored to your needs or a few accessories to complete your kit? We’ve got you covered. All our gear is meticulously maintained by our on-site technicians, and we treat all jobs with the highest degree of care and attention to detail.



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