The ALEXA camera system is known for its exceptional image performance that is simple to operate, reliable in even the most extreme environments and versatile enough to cover a wide range of workflow and budget requirements.
Based on this proven technology is the ALEXA SXT W: It has a built-in video transmitter which makes the camera smaller and lighter than it would be with an external transmitter. It also means fewer cables around the camera and fewer associated problems, since cable failure is by far the most common technical hitch on set. Camera setup and power-up are quicker, and productions are able to move faster.
The ALEXA SXT W forms part of a new and complete ARRI Wireless Video System (WVS), along with a stand-alone video transmitter for use with other ARRI or third-party cameras, and a stand-alone video receiver that picks up signals from either transmitter.
An extensive accessory range includes various mounting brackets, antenna extensions and the handheld Director’s Monitor Support (DMS-1), as well as a specially adapted Transvideo monitor with a built-in receiver for the ARRI transmitters. Whether using this monitor or others, the modular system allows for a compact and efficient setup. An extra power-out on the video receiver, for example, permits a single on-board battery to power both the receiver and an attached handheld monitor. A higher input voltage range allows more flexibility on battery choice.
Between the camera, stand-alone transmitter, receiver, Starlite ARRI-WVS monitor and extensive range of accessories, any set can be made more efficient with the ARRI Wireless Video System. Up to four receivers (either WVR-1 or Starlite ARRI-WVS) can be used per transmitter and four to six transmitter/receiver groups can be used on the same set.
Sensor Type
Super 35 format ARRI ALEV III CMOS sensor with Bayer pattern color filter array
Sensor Maximum Resolution and Size
3424 x 2202 28.25 x 18.17 mm / 1.112 x 0.715" ⌀ 33.59 mm / 1.322"
Sensor Frame Rates
0.75 - 120 fps
Weight
∼7.4 kg / ∼16.3 lbs (camera body with PL lens mount)
Sensor Active Image Area (photosites)
16:9 ProRes HD: 2880 x 1620 16:9 ProRes 2K: 2880 x 1620 16:9 ProRes 3.2K: 3200 x 1800 16:9 Prores 4K UHD: 3200 x 1800 16:9 ARRIRAW 2.8K: 2880 x 1620 16:9 ARRIRAW 3.2K: 3168 x 1782 6:5 ProRes 2K Anamorphic: 2560 x 2146 6:5 ProRes 4K Cine Anamorphic: 2560 x 2146 6:5 ARRIRAW 2.6K: 2578 x 2160 4:3 ProRes 2.8K: 2880 x 2160 4:3 ARRIRAW 2.8K: 2880 x 2160 Open Gate ProRes 3.4K: 3424 x 2202 Open Gate ProRes 4K Cine: 3414 x 2198 Open Gate ARRIRAW 3.4K: 3424 x 2202
Sensor Active Image Area (dimensions)
16:9 ProRes HD: 23.76 x 13.37 mm / 0.935 x 0.526" 16:9 ProRes 2K: 23.76 x 13.37 mm / 0.935 x 0.526" 16:9 ProRes 3.2K: 26.40 x 14.85 mm / 1.039 x 0.585" 16:9 Prores 4K UHD: 26.40 x 14.85 mm / 1.039 x 0.585" 16:9 ARRIRAW 2.8K: 23.76 x 13.37 mm / 0.935 x 0.526" 16:9 ARRIRAW 3.2K: 26.14 x 14.70 mm / 1.029 x 0.579" 6:5 ProRes 2K Anamorphic: 21.12 x 17.70 mm / 0.831 x 0.697" 6:5 ProRes 4K Cine Anamorphic: 21.12 x 17.70 mm / 0.831 x 0.697" 6:5 ARRIRAW 2.6K: 21.38 x 17.82 mm / 0.842 x 0.702" 4:3 ProRes 2.8K: 23.76 x 17.82 mm / 0.935 x 0.702" 4:3 ARRIRAW 2.8K: 23.76 x 17.82 mm / 0.935 x 0.702" Open Gate ProRes 3.4K: 28.25 x 18.17 mm / 1.112 x 0.715" Open Gate ProRes 4K Cine: 28.17 x 18.13 mm / 1.109 x 0.714" Open Gate ARRIRAW 3.4K: 28.25 x 18.17 mm / 1.112 x 0.715"
Recording File Container Size (pixel)
16:9 ProRes HD: 1920 x 1080 16:9 ProRes 2K: 2048 x 1152 16:9 ProRes 3.2K: 3200 x 1824 16:9 Prores 4K UHD: 3840 x 2160 16:9 ARRIRAW 2.8K: 2880 x 1620 16:9 ARRIRAW 3.2K: 3168 x 1782 6:5 ProRes 2K Anamorphic: 2048 x 858 6:5 ProRes 4K Cine Anamorphic: 4096 x 1716 6:5 ARRIRAW 2.6K: 2592 x 2160 4:3 ProRes 2.8K: 2944 x 2176 4:3 ARRIRAW 2.8K: 2944 x 2176 Open Gate ProRes 3.4K: 3456 x 2202 Open Gate ProRes 4K Cine: 4096 x 2636 Open Gate ARRIRAW 3.4K: 3424 x 2202
Recording File Image Content (pixel)
16:9 ProRes HD: 1920 x 1080 16:9 ProRes 2K: 2048 x 1152 16:9 ProRes 3.2K: 3200 x 1800 16:9 Prores 4K UHD: 3840 x 2160 16:9 ARRIRAW 2.8K: 2880 x 1620 16:9 ARRIRAW 3.2K: 3168 x 1782 6:5 ProRes 2K Anamorphic: 2048 x 858 6:5 ProRes 4K Cine Anamorphic: 4096 x 1716 6:5 ARRIRAW 2.6K: 2578 x 2160 4:3 ProRes 2.8K: 2880 x 2160 4:3 ARRIRAW 2.8K: 2280 x 2160 Open Gate ProRes 3.4K: 3424 x 2202 Open Gate ProRes 4K Cine: 4096 x 2636 Open Gate ARRIRAW 3.4K: 3424 x 2202
Exposure Latitude
14+ stops over the entire sensitivity range from EI 160 to EI 3200 as measured with the ARRI Dynamic Range Test Chart (DRTC-1)
Exposure Index
Adjustable from EI 160-3200 in 1/3 stops EI 800 base sensitivity
Shutter
Electronic shutter, 5.0°- 358°
Recording Formats
ARRIRAW (.ari) Apple ProRes 4444 XQ Apple ProRes 4444 Apple ProRes 422 HQ Apple ProRes 422
1x XLR 5pin balanced stereo line in (Line input max. level +24dBu correlating to 0dBFS)
Audio Output
3,5mm stereo headphone jack SDI (embedded)
Audio Recording
2 channel linear PCM, 24 bit 48 kHz
Remote Control Options
Web-based remote control from phones, tablets and laptops via WiFi & Ethernet WCU-4 hand unit with control over lens motors and operational parameters via built-in white radio Remote Control Unit RCU-4 via Ethernet
Interfaces
1x LEMO 5pin LTC Timecode In/Out 1x BNC SDI Return In 1x LEMO 16pin EXT for accessories and sync 1x LEMO 10pin Ethernet for remote control and sync 1x SD Card (for user setups, look files etc) 3x Fischer 12pin connectors for CLM lens motors 2x Fischer 5pin LCS Lens Control System connectors for hand units 1x LDD Lens Data Display connector
Wireless Interfaces
Built-in WiFi module (IEEE 802.11b/g) Built-in White Radio for ARRI lens and camera remote control Built-in Wireless Video System
Lens Mounts
PL lens mount LPL lens mount
Power Input
1x Fischer 2pin BAT connector (10.5-34 V DC) 1x On-board battery interface (10.5-34 V DC)
Measurements (HxWxL)
158 x 189 x 351 mm / 6.22 x 7.44 x 13.82" (camera body with PL lens mount)
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