ARRI ALEXA SXT W Basic Camera Set (LDS PL)

ARRI ALEXA SXT W Basic Camera Set (LDS PL)

ARRI ALEXA SXT W Basic Camera Set (LDS PL)

B&H # ARK0.0014994 MFR # K0.0014994
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Expected availability: 2-4 weeks

Product Highlights

  • 35mm ARRI ALEV III CMOS Sensor
  • UHD 4K 3840 x 2160 (Up-Sampled 3.2K)
  • Integrated Video Transmitter & Wi-Fi
  • Built-In Remote Camera & Lens Control
  • Multiple 4/2.8/2.6/2K Anamorphic Modes
  • Up to 2000' Transmission Range
  • Pair up to 4 x Receivers per Transmitter
  • Wide Color Gamut, Rec 2020 Compatibility
  • Array of ARRIRAW & ProRes Capture Modes
  • Internal ND Filter Holder
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This item is noncancelable and nonreturnable.

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  • 1Description

The ALEXA SXT W Basic Camera Set from ARRI (LDS PL) includes the SXT W camera body with a built-in wireless video transmitter, the EVF-1 electronic viewfinder (EVF-1), and a selection of accessories. Components include SXR and XR media adapters, a viewfinder bracket, a short EVF cable, a CCH-1 center camera handle, a WA-1 wedge adapter, and an SD card for loading LUTs, etc.

The ALEXA SXT W expands upon the design of the popular ALEXA SXT Plus with the addition of an integrated wireless video transmitter. Transmitter features include a range of up to 2000', under 1 ms delay, uncompressed video signals, and 128-bit AES encryption. Compared to an external, third-party transmitter, the low-latency integrated transmitter saves weight and space on your rig, reduces the number of cables sprouting from the camera, and lessens your build time on set. Plug your lens motors directly into the camera; no motor control box is needed. Coordination between the SXT W's Wi-Fi system, ARRI's ECS lens control systems, and the wireless video transmitter minimizes interference between these functions. The SXT W is compatible with ARRI controllers like the WCU-4, as well as with the cmotion hand units.

Record in UHD 4K, Cine 4K, 2K, or HD with 16-bit processing for sharp, natural-looking images. The ALEXA SXT W offers an array of recording format choices in ARRIRAW and ProRes including 4444 XQ, 4444, 422 HQ, and 422. With a base sensitivity of EI 800 and a dynamic range of 14-plus stops, your footage is effectively future-proofed for compatibility with HDR displays. The ALEXA SXT W's wide color gamut exceeds current display standards, and is compatible with the Rec. 2020 color space. Full-image frame rates up to 120 fps enable capture for higher-clarity HFR (high frame rate) projects.

The modular ALEXA SXT family includes the flexibility of recording to the current or future media of your choice for each of your projects. Capture options include XR and SXR Capture Drives with write speeds up to 20 Gb/s, SxS PRO and SxS PRO+ cards, and CFast 2.0 cards. The ARRI LDS (lens data system), the IFM-1 filter holder, a shoulder mount, and 15mm LWS rod support are built into the ALEXA SXT W. A 5-pin XLR connector supports 2-channel, 24-bit, 48 kHz audio. Choose from separately available Gold or V-mount battery plates, or an AC power supply to power the camera.

Note: FSND filters, and recording media are not included with the SXT W body, and must be ordered separately.

Excellent Image Quality & High Dynamic Range
  • The ALEXA SXT family combines the powerful image processing of the ALEXA 65 with the familiar design of the original ALEXA user interface, producing sharp, natural-looking footage.
  • A base sensitivity of EI 800 with a dynamic range of 14 plus stops effectively future-proofs your output for compatibility with HDR displays.
  • The ALEXA SXT W records in a WCG (wide color gamut) exceeding current displays, and is compatible with the Rec 2020 color space.
  • Record up to 120 fps for compatibility with HFR (high frame rate) display outputs.
SXT W Features
  • Integrated wireless video transmission, and wireless remote lens and camera control
  • Transmit uncompressed video up to 2000' with <1 ms delay
  • The video signal is secured with 128-bit AES encryption, and includes 2-channel audio, timecode, and record flags
  • Plug-and-play with ARRI Electronic Control System (ECS)
  • Compatible with cmotion cvolution lens control systems
  • Additional (fourth) monitor output (1.5G HD-SDI), and third RS accessory port
Wide Array of Recording Formats
  • Choose from 14 in-camera recording formats, all of which are available in both full-fledged ARRIRAW and smaller file ProRes options.
  • Format options include 16:9 ProRes 4K UHD, Open Gate ProRes 4K Cine, economical 6:5 ProRes 2K Anamorphic and 6:5 ProRes 4K Cine Anamorphic, the VFX-friendly 4:3 ProRes 2.8K, the high-res Open Gate ProRes 3.4K, and the versatile 16:9 ARRIRAW 3.2K.
Anamorphic Solutions
  • With a tall sensor sized almost the same as 35mm film, the ALEXA SXT W enables anamorphic lenses to maintain their native fields of view.
  • The ALEXA SXT W'S efficient 6:5 sensor mode is equivalent to a 1.194:1 image area, the same as half of the classic 2.39:1 CinemaScope aspect ratio. Use this mode to capture only the image area needed for a 2.39 output, with higher frame rates, higher ProRes resolutions, and fewer steps in post than the earlier 4:3 mode.
  • ALF-2 files are stored in your recording's metadata, enabling your dailies and proxy editing files to display the same look as your master files. Supported systems include DaVinci Resolve, Colorfront OSD, Codex Production Suite, Pomfort Silverstack, and Filmlight Daylight.
Consistent Look Management
  • The ARRI Color Tool (ACT) and ARRI Look File (ALF-2) enable you to create new looks in-camera. For easy multicamera coordination, these looks are compatible with ALEXA Mini and AMIRA cameras.
  • Lock in your look on set with the ALEXA SXT's live, on-set grading in Rec 709 or Rec 2020. Compatible third-party systems include Pomfort LiveGrade, Codex Live, Colorfront On-Set Live, Filmlight Prelight, Technicolor DP Lights, and more.
  • The same look management can be automatically applied when using NLE systems such as Avid Media Composer, Apple Final Cut Pro X, and Adobe Premiere Pro.
  • Use with the adapter of your choice to record to SxS PRO or SxS PRO+ cards, CFast 2.0 cards, XR or SXR Capture Drives
  • Multiple control options including Ethernet-based browser control, and compatibility with the optional RCU-4 and WCU-4 control units
  • The built-in IFM-1 filter holder accepts one of eight separately available ND filters
  • Use with separately available Gold or V-mount battery plates
  • Integrated shoulder arch, and 15mm LWS rod support


Type 35 mm format CMOS
Color Filter System Bayer pattern
Active Photo Sites Sensor Mode 16:9
ARRIRAW 2.8K: 2880 x 1620
ARRIRAW 3.2K: 3168 x 1782
16:9 ProRes HD: 2880 x 1620 down-sampled to 1920 x 1080
16:9 ProRes 2K: 2880 x 1620 down-sampled to 2048 x 1152
16:9 ProRes 3.2K: 3200 x 1800
16:9 ProRes 4K UHD: 3200 x 1800 up-sampled to 3840 x 2160

Sensor Mode 6:5
6:5 ARRIRAW 2.6K: 2578 x 2160
6:5 ProRes 2K Anamorphic: 2560 x 2146 down-sampled to 2048 x 858
6:5 ProRes 4K Anamorphic: 2560 x 2146 re-sampled to 4096 x 1716

Sensor Mode 4:3
4:3 ARRIRAW 2.8K: 2880 x 2160
4:3 ProRes 2.8K: 2880 x 2160

Sensor Mode Open Gate
Open Gate ARRIRAW 3.4K: 3424 x 2202
Open Gate ProRes 3.4K: 3424 x 2202
Open Gate ProRes 4K Cine: 3414 x 2198 up-sampled to 4096 x 2636
Operating Modes 16:9, 6:5, 4:3, or Open Gate sensor modes

Switching takes approximately 60 seconds; all sensor modes are available in ARRIRAW and ProRes.

Image Processing Internal: 16-bit linear processing in full ALEXA Wide Gamut/Log C color space
Target Output: Log C, Rec 709, or Rec 2 color spaces
Lens Mount 54 mm stainless steel LDS PL
Super 35-centered
52.00mm nominal flange focal depth (without FSND filters)
Frame Rates 16:9:
0.75–120 fps

0.75–96 fps

0.75–96 fps

Open Gate:
0.75–90 fps

All speeds are adjustable with 1/1000 fps precision; some limitations based on recording media or recording format apply.

Electronic Shutter 5 to 358° up to 60 fps
5 to 356° above 60 fps
Adjustable Shutter Angle: 1/10° increments
Built-In Filters Optical low-pass
Exposure Latitude 14+ stops from EI 160–3200

As measured with the ARRI Dynamic Range Test Chart (DRTC).

Exposure Index Number of Stops Above/Below 18% Gray:
EI 160 +5.2/-9.3
EI 200 +5.6/-8.9
EI 400 +6.6/-7.9
EI 800 +7.8/-6.7
EI 1600 +8.6/-5.9
EI 3200 +9.7/-4.8
White Balance Modes Presets:
3200 (tungsten)
4300 (fluorescent)
5600 (daylight)
7000 (daylight cool)

Automatic or Manual:
2000 to 11,000 Kelvin, adjustable in 100K steps
Color Correction Green/Magenta Adjustable Range: -12 to +12 CC

1 CC corresponds to 035 Kodak CC values or 1/8 Rosco values.

Video Transmitter
Transmission Range 2000' / 600 m
Latency Average <1 ms
Encryption 128-bit AES
Sound Level <19 dBA

While recording ProRes 4444 16:9 HD @ 24 fps, ≤ +86°F / +30°C with a lens attached, fan mode set to Regular, measured 3' / 1 m in front of the lens.

Audio Input 1 x 5-pin XLR for 2-channel, line level, balanced audio
A/D Conversion: 24-bit, 48 kHz
Audio Recording Uncompressed PCM Audio: ARRIRAW, ProRes, embedded in HD-SDI output

Only available with same project/sensor speed at 23.98, 24, 25, 29.97, and 30 fps.

Headphone Output Maximum: 2.5 dBm
Control Interface Transflective Color LCD Screen:
3" / 76.2 mm
400 x 240 pixels
Recording Codecs 16:9:
ProRes 4K UHD/3.2K/2K/HD: 4444 XQ, 4444, 422 HQ, 422
ARRIRAW 3.2K, 2.8K

ProRes 4K Cine Anamorphic 4444 XQ, 4444, 422 HQ, 422
ProRes 2K Anamorphic 4444 XQ, 4444, 422 HQ, 422

ProRes 2.8K: 4444 XQ, 4444, 422 HQ, 422

Open Gate:
ProRes 4K Cine: 4444 XQ, 4444, 422 HQ, 422
ProRes 3.4K: 4444 XQ, 4444, 422 HQ, 422
Recording Media SxS PRO or SxS PRO+ cards (requires SxS Adapter 2)
CFast 2.0 cards (requires CFast 2.0 Adapter 2)
XR Capture Drives (requires XR Adapter)
SXR Capture Drives (requires SXR Adapter)

XR Capture Drive Docks require Codex Production Suite to read XR Capture Drives recorded with ALEXA SXT.

Supported Media SXR Capture Drives 1 TB (CDX-37019)
SXR Capture Drives 2 TB (CDX-37021)
XR Capture Drives 512 GB (CDX-3730)
SxS PRO cards 64 GB (SBP-64A)
SxS PRO+ cards 64 GB (SBP-64B, SBP-64C, SBP-64D)
SxS PRO+ cards 128 GB (SBP-128B, SBP-128C, SBP-128D, SBP-128E)
SxS PRO+ cards 256 GB (SBP-256D, SBP-256E)
LEXAR Professional 3600x CFast 2.0 cards 256 GB (LC256Cxxxx3600, LC256Cxxxx3600 G2)

With SXT SUP 2.0 installed.

Interfaces / Ports
Connectors Media Slot: 1 x SD card slot
Monitor Out 1.5G HD/SD-SDI: 4 x BNC
Audio In: 1 x XLR, 5-pin analog
Return/Sync In 1.5G HD-SDI: 1 x BNC
External Accessory Interface: 1 x 16-pin LEMO
Battery In: 1 x Fischer 2-pin, 24 V
Remote Start/Accessory Out: 3 x 3-pin Fischer, 24 V
Accessory Power Out: 1 x 2-pin LEMO, 12 V
Timecode In/Out: 1 x 5-pin LEMO
Headphone Out: 1 x TRS 3.5 mm mini stereo
EVF: 1 x Custom 16-pin LEMO
Ethernet: 1 x Custom 10-pin LEMO with 24 V power
Lens Data Display (LDD): 1 x 5-pin Fischer
Lens Control System (LCS): 2 x 5-pin Fischer
CLM-2, CLM-3, CLM-4 or Later Focus: 1 x 12-pin Fischer
CLM-2, CLM-3, CLM-4 or Later Iris: 1 x 12-pin Fischer
CLM-2, CLM-3, CLM-4 or Later Zoom: 1 x 12-pin Fischer

The BNC connectors may be swapped out without camera disassembly using the K5.72915.0 ALEXA Plus BNC Removal Tool.

Power Input Not specified by manufacturer
Operating Temperature -4 to 113°F / -20 to 45°C
Dust and Humidity 95% maximum humidity (non-condensing)
Splash and dust-proof
Dimensions (LxWxH) Body Only: 13.8 x 7.4 x 6.2" / 35.1 x 18.8 x 15.7 cm
With Handle & EVF-1: 16.3 x 9.9 x 8.8" / 41.4 x 25.1 x 22.4 cm
Weight Body Only: 16.3 lb / 7.4 kg
With Handle & EVF-1: 19.6 lb / 8.9 kg


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