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ARRI ALEXA SXT W Basic Camera Set

Abel Code: AR-K0.0014994
Mfr. Code: K0.0014994
Estimated to Ship – Contact Sales for Availability
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 ARRI ALEXA SXT W is a wireless digital cinema camera with wireless capabilities built into the design, including: wireless video, remote camera/lens control, and WiFi.
Key Highlights
  • Transmit & control lens data wirelessly
  • Extreme low-latency video transmission
  • Improved HDR monitoring


The ARRI ALEXA SXT W, ARRI's wireless digital cinema camera, transmits uncompressed HD up to 600m with <1ms delay, which is extreme low-latency. This camera reduces the number of cables required for a streamlined experience and includes these functions built into the design:

  • Wireless video transmission
  • Remote lens & camera control
  • WiFi

The W in the title is, of course, for wireless, while the SXT stands for Super Xtended Technology. The W camera is based upon the popular ALEXA SXT Plus and replaces both the Plus and Studio models in the ALEXA family. ALEXA is known for its high image quality and its efficient workflow.

A software upgrade SXT SUP2.0 expands the SXT Plus capabilities to launch the new ALEXA SXT W camera. Enhancements include:

  • Improved HDR monitoring
  • SXS PRO+ & CFast 2.0 cards support 
  • Faster frame grabs
  • Features for WCU-4 Wireless Compact Unit and lens motors
  • and more

The ARRI ALEXA camera family now includes: the ALEXA SXT W, the ALEXA SXT EV, and the ALEXA Mini.

Remote Video Transmission & WiFi

The ALEXA SXT W transmits uncompressed HD (with Record Start/Stop, Timecode, and audio) up to 600m with low-latency (<1ms) with one set of antenna. The second set of antennas on the ALEXA SXT W is dedicated to the on-board WiFi radio which offers wireless camera remote control via ALEXA Web Remote. It also can handle color management. The fifth antenna, which sits between the other two pairs on the top/rear of the camera body, is assigned to the ECS or Electronic Control System. The ECS functions with ARRI's WCU-4 Wireless Control Unit which offers lens FIZ and camera control. 

The ALEXA SXT W wireless technology is the result of customized technology from Amimon which has been modified to suit ARRI's standards and can optimize performance of the ALEXA SXT camera platform. You can tie in other ARRI wireless products (sold separately), as well. ARRI says you can use up to 4 ARRI receivers per transmitter. Interference-free operation is possible between video, WiFi, and ECS radios.

Less Cables + More Reliability

Part of the joy of wireless capabilities in the ARRI ALEXA SXT W is that the entire camera rig is now smaller and lighter to use than it would be with an external transmitter. Your camera setup will be faster and will speed up your production process. Plus, you can avoid cable failure during critical shots since there are fewer cables to catch or bump.

Camera Features

The SXT W offers a few changes from the SXT Plus. Aside from the wireless radio and transmitters, the W includes a new internal board to permit faster frame grabs. In order to accommodate the wireless features, the ALEXA SXT W is 0.9 lb (400g) heaver, about 1" (3cm) longer, and uses 8W more power than the ALEXA SXT Plus.


  • Built-in FSND Filter Holder & Lens Data System
  • 4 sensor modes: Open Gate, 4:3, 6:5, and 16:9
  • Records ARRIRAW onto in-camera SXR Capture Drives or XR Capture Drives
  • Records QuickTime ProRes (4444 XQ, 4444, 422 HQ or 422) files in HD/2K/4K UHD/4K Cine onto in-camera SXR Capture Drives or XR Capture Drives, SxS PRO or SxS PRO+ Cards (with a required SxS Adapter 2), or CFast 2.0 cards (with a required CFast 2.0 adapter)
  • Capable of processing ASC CDL values and 3D LUTs
  • 4 independent monitor outputs: EVF-1 and MON OUT 1, 2, and 3, plus a clone of MON 1
  • Interference-free radio transmission of HD video, WiFi, and ECS
  • Exposure through electronic rolling shutter: 5.0° - 358.0°

NOTE: SXR Capture Drives, XR Capture Drives, SxS Adapter 2, CFast 2.0 Adapter 2, docks, SxS PRO cards, SxS PRO+ cards, CFast 2.0 cards, FSND filters and on-board battery adapters are not included and can be ordered separately.


ALEXA SXT offers multiple in-camera recording formats. All sensor modes can now be recorded in ARRIRAW or ProRes. 

16:9 ProRes 4K UHD - The easiest and fastest path to the best 4K UHD image, offering the immediacy and speed of ProRes in the UHD distribution standard of 3840 x 2160 pixels. 

Open Gate ProRes 4K Cine - A format unique to SXT cameras; it not only provides the cine standard of 4096 pixels across, but allows for VFX markers or up/down repositioning in post through the extra height of 2636 pixels. 

6:5 ProRes 2K Anamorphic - The most economical path to the best overall 2K image quality with anamorphic lenses. The camera creates a ready-to-view ProRes file in the 2K DCI delivery format (2048 x 858), so no debayering, cropping, rescaling or de-squeezing is needed in post. 

6:5 ProRes 4K Anamorphic - The most economical path to the best overall 4K image quality with anamorphic lenses. The camera creates a ready-to-view ProRes file in the 4K DCI delivery format (4096 x 1716), so no debayering, cropping, rescaling or de-squeezing is needed in post. 

4:3 ProRes 2.8K - Popular for spherical 16:9 or 1.85:1 shows, this format provides extra height for VFX tracking markers and repositioning in post. It has the immediacy and speed of ProRes, plus a lower data rate than Open Gate and works with smaller image circle than Open Gate. 

Open Gate ProRes 3.4K - Designed for those who want the maximum image area and pixel count from a Super 35 ALEXA (3424 x 2202) in combination with the immediacy and speed of ProRes. 

16:9 ARRIRAW 3.2K* - The largest number of pixels that can be processed at 120 fps (3168 x 1782). Use the full image area with ARRI Super 35 PL mount lenses, or gain extra room for repositioning, stabilizing and tracking when using lenses with an image circle covering a 2.8K image area. 

Also, in ALEXA SXT, ProRes files are always recorded in RAID 1 to Capture Drives, which provides extra security through data redundancy. 

For productions requiring uncompromised image quality, ARRIRAW is the best digital recording option. Unlike other camera formats, ARRIRAW delivers raw, uncompressed, unencrypted image data, providing the absolute best image quality from ALEXA. Image processing steps like debayering, white balance, sensitivity or downscaling, which are irreversibly baked into the image for a ProRes or HD-SDI, are not applied to ARRIRAW. For VFX it is important to record uncompressed raw, because compression artifacts make compositing more difficult. The other plus with ARRIRAW is that it is a future-proof archiving format.

* NOTE: The 3.2K recording formats require an illumination circle of 29.95 mm and the Open Gate formats require an illumination circle of 33.50 mm from the taking lens. While most ARRI Super 35 lenses cover 3.2K, some wide angle lenses will not cover the full Open Gate. ARRI provided a helpful Lens Illumination Guide resource on their site to determine which lens covers which sensor mode and target aspect ratio.

IMPORTANT NOTE: Verify current recording media compatibility with ARRI's Supported Recording Media Overview

Media Bay Drive Update

ALEXA SXT cameras can accept a wide range of media, including the new, high-performance SXR Capture Drives, with the use of an adapter. The faster processing capabilities allows faster frame rates for most recording formats than were possible with ALEXA XT cameras, and the addition of RAID technology brings additional safety through Redundant recording to XR and SXR Capture Drives. 

It now accepts:

  • XR and SXR Capture Drives
  • SxS PRO and SxS PRO+ cards
  • CFast 2.0 cards

SXR Capture Drives represent the next generation of professional solid-state media for ALEXA SXT. Sophisticated selection of memory, careful manufacturing processes and a modern, robust housing design make these the most reliable media on the market. Their lightning-fast maximum write speed of 20 Gb/s allows for higher maximum frame rates with some recording formats, while the 1 TB (red collar) or 2 TB (blue collar) capacity permits longer recording times. The new drives are accompanied by a new SXR Capture Drive Dock (TB). 

Upgrade Options

As of product launch, ARRI is offering attractive upgrade options for existing owners of ALEXA SXT EV and ALEXA SXT Plus cameras. Contact your local Abel Salesperson to learn more.

What's in the Box

  • Limited 1-Year Warranty
  • Wedge Adapter (WA-1) (K2.72002.0)
  • Center Camera Handle (CCH-1) (K2.72007.0)
  • Viewfinder Cable Short (0.35m/1.2ft) KC 150-S (K2.72012.0)
  • Viewfinder Mounting Bracket VMB-3 (K2.74001.0)
  • ALEXA Electronic Viewfinder EVF-1 (K2.72008.0 )
  • SD Card (K2.72018.0)
  • XR Adapter (K2.0008430)
  • SXR Adapter (K2.0008429)
  • ARRI ALEXA SXT W Camera Body (K1.0014744)


Key Highlights

  • Transmit & control lens data wirelessly
  • Extreme low-latency video transmission
  • Improved HDR monitoring
  • Fast frame grabs
  • Replaces ALEXA SXT Plus & Studio
  • SXS PRO+ & CFast 2.0 cards support
  • Open Gate, 4:3, 6:5, and 16:9

Camera Lens System

Camera Lens Mount:
PL - 54 mm stainless steel LDS
ND Filter:
Yes - Also, includes a built-in Internal Filter Module (IFM-1) filter holder that accepts one of eight Full Spectrum Neutral Density (FSND) filters through manual insertion/removal.

Handle / Grip

# Handles:
Handle/Grip Features:
Left or Right
Grip Appearance:


Power Input:
Battery Pack - BAT connector, optional battery adapter back or optional battery adapter top. All inputs accept 10.5 to 34 V DC.


Recording Resolution:
HD (2.8K Downscale)
3.2K / 4K UHD
2.8K - ProRes or ARRIRAW
2K Cine Anamorphic - 2048 x 858 ProRes Recording
3.4K Open Gate
4K Cine - ProRes 4096 x 2636 recorded
2.6K 6:5 - ARRIRAW Recording
4K Cine Anamorphic - 4096 x 1716 ProRes Recording
Recording Format:
Apple ProRes HD - 2880 x 1620 down sampled to 1920 x 1080 in Sensor Mode 16:9
Apple ProRes 2K - Anamorphic : 2560 x 2146 down sampled to 2048 x 858 in Sensor Mode 6:5
Apple ProRes 3.2K - 3200 x 1800 in Sensor Mode 16:9
ARRIRAW - 3.4K : 3424 x 2202 in Sensor Mode Open Gate
Apple ProRes 4K UHD - 3200 x 1800 up sampled to 3840 x 2160 in Sensor Mode 16:9
Apple ProRes 4K Anamorphic - 2560 x 2146 re-sampled to 4096 x 1716 in Sensor Mode 6:5
Apple ProRes 2.8K - 2880 x 2160 in Sensor Mode 4:3
Apple ProRes 3.4K - 3424 x 2202 in Sensor Mode Open Gate
Apple ProRes 4K Cine - 3414 x 2198 up sampled to 4096 x 2636 in Sensor Mode Open Gate

Sensor Specifics

Sensor Size:
Full Frame 35mm
Sensor Type:
CMOS - 4 sensor modes: Open Gate, 4:3, 6:5, and 16:9
Sensor Dynamic Range:
14+ stops - for all sensitivity settings from EI 160 to EI 3200, as measured with the ARRI Dynamic Range Test Chart (DRTC)
Sensor Dimensions:
28.25 x 18.17mm
Low Pass Filter:
Optical low pass


EVF Features:
Change Basic Camera Settings
Temperature Controlled
Exposure Assist
EVF Imagery:


Camera Weight (Body):
Camera Options:
Camera Body Only
Camera Features:
Custom Functions - Color Correction: While white balance changes the red/blue hue of the image, color correction changes green/magenta. Adjustable range from -12 to +12 CC. 1 CC corresponds to 035 Kodak CC values or 1/8 Rosco values.
Remote Control (Web-based)
White Balance - Presets for 3200 (tungsten), 4300 (fluorescent), 5600 (daylight) and 7000 (daylight cool). Automatic calculation or manual white balance for 2000 to 11000 Kelvin, adjustable in 100 K steps
On-Camera Controls - Camera Right: Main user interface with a 3” transflective 400 x 240 pixel LCD color screen, illuminated buttons, button lock and jog wheel.
Imaging Processor:
ARRI ALEV III - with Bayer pattern color filter array
Ethernet Interface:
Camera acts as a web server - Displays the ALEXA Web Remote on web browsers of computers connected to ETHERNET connector.
Shutter Angle Settings:
5.0º - 358.0º up to 60 fps; 5.0° to 356° above 60 fps - Shutter angle adjustable with 1/10 degree precision
Image Capture Notes:
16:9 Frame Rate - 0.75 - 120 fps
4:3 Frame Rate - 0.75 - 96 fps
6:5 Frame Rate - 0.75 - 96 fps
Open Gate Frame Rate - 0.75 - 90 fps
Shutter/Camera Mode:
Open Gate
Shutter Type:
Electronic rolling shutter


15.09 in
15.53 in
18.41 in
14.18 lb
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