Vendor ARRI

Code K0.0014994

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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

 

Recording Media

 

SXR Capture Drives
XR Capture Drives
SxS PRO+ Cards
CFast 2.0 Cards

 

Recording Frame Rates

 

16:9 ProRes HD: 0.75 - 120 fps
16:9 ProRes 2K: 0.75 - 120 fps
16:9 ProRes 3.2K: 0.75 - 72 fps
16:9 Prores 4K UHD: 0.75 - 50 fps
16:9 ARRIRAW 2.8K: 0.75 - 120 fps
16:9 ARRIRAW 3.2K: 0.75 - 120 fps
6:5 ProRes 2K Anamorphic: 0.75 - 96 fps
6:5 ProRes 4K Cine Anamorphic: 0.75 - 60 fps
6:5 ARRIRAW 2.6K: 0.75 - 96 fps
4:3 ProRes 2.8K: 0.75 - 60 fps
4:3 ARRIRAW 2.8K: 0.75 - 96 fps
Open Gate ProRes 3.4K: 0.75 - 60 fps
Open Gate ProRes 4K Cine: 0.75 - 48 fps
Open Gate ARRIRAW 3.4K: 0.75 - 90 fps

 

Viewfinder Type

 

Electronic Viewfinder EVF-1

 

Viewfinder Technology

 

F-LCOS viewfinder display

 

Viewfinder Resolution (pixel)

 

1280 x 784

 

Filters

 

Manual behind the lens FSND filters: Optical Clear, 0.3, 0.6, 0.9, 1.2, 1.5, 1.8, 2.1, 2.4
Fixed optical low pass, UV, IR filter

 

Audio Input

 

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)