Arri Alexa XT

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Arri Alexa XT - LA Rental

Product Highlights

The new ALEXA XT replaces all other previous ALEXA models, with the exception of the original ALEXA. The new ALEXA XT, ALEXA XT M, ALEXA XT Plus, and ALEXA XT Studio cameras now come standard with the new XR Module, a side panel that was co-developed with Codex and that replaces the previous SxS Module, allowing in-camera ARRIRAW recording up to 120 fps onto exceptionally fast and rugged 512 GB XR Capture Drives. It makes the ALEXA XT smaller, lighter and more affordable, while simplifying setup and operation while avoiding unnecessary cabling,  resulting in an even faster and more reliable workflow on set.

The new ALEXA XT replaces all other previous ALEXA models, with the exception of the original ALEXA. The new ALEXA XT, ALEXA XT M, ALEXA XT Plus, and ALEXA XT Studio cameras now come standard with the new XR Module, a side panel that was co-developed with Codex and that replaces the previous SxS Module, allowing in-camera ARRIRAW recording up to 120 fps onto exceptionally fast and rugged 512 GB XR Capture Drives. It makes the ALEXA XT smaller, lighter and more affordable, while simplifying setup and operation while avoiding unnecessary cabling,  resulting in an even faster and more reliable workflow on set.

In addition to ARRIRAW, ProRes or DNxHD can also be captured to the XR Capture Drive for significantly longer recording times as well as ProRes 4444 recording at 120 fps. With an SxS Adapter it is possible to record ProRes or DNxHD to a single SxS PRO card.

Once removed from the camera, the XR Capture Drive offers a number of different paths into post, using the proven Codex workflow. One option is using a small and affordable USB3 Single Dock to allow quick and safe copying of data onto a laptop. Or, a second option is using the Dual Dock to make clones of XR Capture Drives, then connect to a Mac Pro via a high speed SAS interface for speedy copying, archiving or dailies creation. And lastly, the Codex Vault is a modular and rugged all-in-one solution for fast and easy copying, archiving, reporting or dailies creation on or near-set.

Each of the ALEXA XT models is equipped with a 4:3 image sensor, the same size and shape as a 35mm film frame, which is crucial for the effective use of anamorphic lenses, delivering a unique and cinematic widescreen look that can trace its origins back to the CinemaScope films of the 1950s. It is a look that has long been appreciated by cinematographers, directors and the viewing public alike. An anamorphic de-squeeze license is included with all XT cameras, as is a high speed license for filming at up to 120 fps. The 4:3 sensor will also be useful on non-anamorphic productions as it permits significant reframing of the image in post, similar to shooting 4-perforation 35mm.

Lens metadata is invaluable for a speedy VFX post workflow, which is why all ALEXA XT models are equipped with an LDS lens mount. The Arri Lens Data System (LDS) reads the position of all lens rings and writes them into metadata in every format ALEXA can record. Over 41 lens models have LDS built-in, including the Arri/Zeiss Master Anamorphics, Arri/Zeiss Master Primes, Arri/Zeiss Master Macro 100, Arri/Zeiss LDS Ultra Primes, Arri/Zeiss Master Zoom 16.5-110, Arri/Fujinon Alura Lightweight Zoom 15.5-45 and Arri/Fujinon Alura Lightweight Zoom 30-80. For all other lenses it is possible to store the lens table inside the ALEXA by using the Lens Data Archive feature.

Camera Type 35 format film-style digital camera with an electronic viewfinder, an Open Gate/4:3/16:9 switchable active sensor area, built-in support for the ARRI Wireless Remote System and the cmotion cvolution lens control system, built-in filter holder, Lens Data System, integrated shoulder arch and receptacles for 15 mm lightweight rods

 

Sensor 35 format ALEV III CMOS sensor with Bayer pattern color filter array.

 

Photo Sites 16:9
2880 x 1620 used for ARRIRAW 16:9
2880 x 1620 down sampled to 1920 x 1080 for HD-SDI, ProRes HD 16:9 and DNxHD HD 16:9
2868 x 1612 down sampled to 2048 x 1152 for ProRes 2K 16:9
3168 x 1778 used for ProRes 3.2K 16:9

4:3 Full
2880 x 2160 used for ARRIRAW 4:3 Full
2868 x 2150 down sampled to 2048 x 1536 for ProRes 2K 4:3

4:3 Cropped
2578 x 2160 used for ARRIRAW 4:3 Cropped

Open Gate
3414 x 2198 used for ARRIRAW Open Gate

 

Operating Modes 16:9, 4:3 Full, 4:3 Cropped or Open Gate sensor modes. Switching takes approx. 60 seconds. 16:9 available for ARRIRAW, ProRes and DNxHD recording. 4:3 Full available for ARRIRAW and ProRes 2K recording. 4:3 Cropped and Open Gate available for ARRIRAW recording.
Regular or High Speed mode. Switching takes approx. 20 seconds.

 

Frame Rates 16:9
ProRes HD 0.75 - 120 fps
ProRes 2K 0.75 - 60 fps
ProRes 3.2K 0.75 - 30 fps
DNxHD HD 0.75 - 120 fps
ARRIRAW 0.75 - 120 fps

4:3 Full
ProRes 2K 0.75 - 48 fps
ARRIRAW 0.75 - 90 fps

4:3 Cropped
ARRIRAW 0.75 - 96 fps

Open Gate
ARRIRAW 0.75 - 75 fps

All speeds adjustable with 1/1000 fps precision. To record above 60 fps, the camera needs to be switched to high speed mode.

Note: some limitations based on recording media or recording file settings apply.

For a detailed table of frame rates for ALEXA XT cameras click here

 

Shutter Electronic rolling shutter, 5.0º - 358.0º up to 60 fps; 5.0° to 356° above 60 fps. Shutter angle adjustable with 1/10 degree precision.

 

Filters Permanent filters in front of the sensor: optical low pass, UV, IR. Includes a built-in Internal Filter Module (IFM-1) filter holder that accepts one of eight Full Spectrum Neutral Density (FSND) filters (manual insertion/removal)

 

Exposure Latitude 14+ stops for all sensitivity settings from EI 160 to EI 3200, as measured with the ARRI Dynamic Range Test Chart (DRTC).
For a graphic of how the exposure latitude shifts at different EIs, click here

 

Exposure Index
Values behind the exposure index are the number of stops above and below 18% grey. These values are for Log C. Rec 709 is the same except for 0.3 stops fewer in the low end at EI 160, 200 and 400.

 

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

 

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.

 

Sound Level Under 19 db(A) while recording ProRes 4444 16:9 HD @ 24 fps and ≤ +30° Celsius (≤ +86° Fahrenheit) with lens attached and fan mode set to 'Regular', measured 1 m/3 feet in front of the lens. Silent operation at higher temperatures possible with fan mode set to 'Rec low'.

 

Power In Three possible inputs: BAT connector, optional battery adapter back or optional battery adapter top. All inputs accept 10.5 to 34 V DC. Approx. 90 W power draw for camera and EVF-1 in typical use recording ProRes at 24 fps to an SxS PRO card at room temperature, without accessories. Initial power draw during power up is higher.

 

Power Out 12 V connector: limited to 12 V, up to 2.2 A. RS, EXT and ETHERNET: input below 24 V is regulated up to 24 V; above 24 V: input voltage = output voltage. RS and EXT connectors combined are limited to 2.2 A. ETHERNET is limited to 1.2 A. Maximum power draw is also limited by the power source.

 

Weight ALEXA XT Plus body with XR Module: 7.3 kg/16.1 lbs.
ALEXA XT Plus body with XR Module, electronic viewfinder and handle: 8.7 kg/19.2 lbs.

 

Dimensions Length: 332 mm/12.95”, width: 183 mm/7.20”, height: 158 mm/6.22”
Dimensional drawings available at www.arri.com/alexa/downloads

 

Environmental -20° C to +45° C (-4° F to +113° F) @ 95% humidity max, non-condensing. Splash and dust proof through sealed electronics. System cooling through radiator/single fan.

 

Lens Mount 54 mm stainless steel LDS PL mount, Super 35 centered. 52.00 mm nominal flange focal depth without FSND filters.

 

Viewfinder Low latency (≤1 frame delay) electronic color viewfinder ARRI EVF-1 with 1280 x 784 F-LCOS micro display (image: 1280 x 720, status bars: 1280 x 32 above and 1280 x 32 below image) and ARRI LED illumination, both temperature controlled. Image can be flipped for use of viewfinder on camera left or right. Viewfinder Mounting Bracket allows movement of viewfinder forward/backwards, left/right, up/down, 360 degree rotation and placement on camera left or right. EVF-1 controls: viewfinder and basic camera settings, ZOOM button (2.25x magnification 'pixel to pixel'), EXP button (false color exposure check) and jog wheel.

 

Assistive Displays For EVF-1 and MON OUT: preset and custom frame lines, user rectangles, surround view, 180° image rotation, camera status, false color exposure check, peaking focus check, compare stored image with live image, RETURN IN video and anamorphic de-squeeze. For MON OUT additionally: Reel & clip number.

 

Control Camera right: Main user interface with a 3” transflective 400 x 240 pixel LCD color screen, illuminated buttons, button lock and jog wheel. Camera left: Operator interface with illuminated buttons and button lock. Camera acts as a web server, displaying the ALEXA Web Remote on web browsers of computers connected to ETHERNET connector. Optional accessory Remote Control Unit RCU-4 for cabled remote control via camera ETHERNET connector. Optional accessory Wireless Compact Unit WCU-4 for wireless remote control.

 

In-camera Recording Uncompressed and unencrypted ARRIRAW, compressed and unencrypted QuickTime/ProRes or compressed and unencrypted MXF/DNxHD recording onto XR Capture Drives. With SxS Adapter: QuickTime/ProRes or MXF/DNxHD onto SxS PRO or SxS PRO+ cards. With CFast 2.0 Adapter: QuickTime/ProRes or MXF/DNxHD onto CFast 2.0 cards. All formats include embedded audio, timecode and metadata. ARRIRAW can additionally store an ASC Color Decision List (CDL) from an on-set network connection and a checksum per frame.

 

Recording Outputs 2x 1.5G or 3G REC OUT BNC connectors for uncompressed 1920 x 1080 4:4:4 RGB or 4:2:2 YCbCr HD video at 23.976, 24, 25, 29.97, 30, 50, 59.94, or 60 fps. Recording other speeds requires a recorder with Variflag support. Legal or extended range signal mapping. Embedded audio, time code, metadata and recording flag. ALEXA XT models do not offer ARRIRAW T-Link output.

 

Monitor Output 2x MON OUT BNC connector for uncompressed 1.5 G HD-SDI video: 1920 x 1080 (16:9), 4:2:2 YCbCr; legal range HD video at 23.976, 24, 25, 29.97, or 30 fps. Embedded audio, time code, metadata and recording flag.

 

Image Processing 16 bit linear internal image processing in full ALEXA native color space. Target output color spaces for ProRes, DNxHD, REC OUT and MON OUT: Log C or Rec 709. For Rec 709, a customized look can be applied during record and playback with ARRI Look Files. Optional horizontal image mirroring.

 

Synchronization Master/Slave mode for precision sync of settings, sensor, processing, HD-SDI outputs and QuickTime/ProRes or MXF/DNxHD recording for 3D applications. PHASE user button for shifting camera phase to move phase artifacts out of frame, i.e. when shooting a CRT monitor or rear screen projector (works in Rec Run TC mode).

 

Playback Playback of ARRIRAW, ProRes or DNxHD from XR Capture Drive or playback of ProRes or DNxHD from SxS PRO or SxS PRO+ cards visible on EVF-1, MON OUT and REC OUT. Playback audio available over headphone jack and embedded in the MON OUT and REC OUT signal.

 

Audio 1x XLR 5 pin AUDIO IN for 2 channel, line level, balanced audio. 24 bit/48 kHz A/D conversion. Uncompressed PCM audio recording to ARRIRAW, ProRes, DNxHD (1) and embedded in all HD-SDI outputs. Only available with same project/sensor speed at 23.976, 24, 25, 29.97 and 30 fps. Max of 2.5 dBm output from AUDIO OUT headphones connector.

 

Connectors 1x media slot for XR Capture Dive or SxS adapter
2x BNC recording out HD-SDI, 1.5G/3G (REC OUT 1 and REC OUT 2)
2x BNC monitoring out HD-SDI, 1.5G (MON OUT 1 and MON OUT 2)
1x XLR 5-pin analog audio in (AUDIO IN)
1x BNC return video in HD-SDI, 1.5G (RET/SYNC IN)
1x LEMO 16-pin external accessory interface (EXT)
1x Fischer 2-pin 24 V power in (BAT)
3x Fischer 3-pin 24 V remote start and accessory power out (RS)
1x LEMO 2-pin 12 V accessory power out (12 V)
1x LEMO 5-pin timecode in/out (TC)
1x TRS 3.5 mm headphone mini stereo jack (AUDIO OUT)
1x custom LEMO 16-pin electronic viewfinder (EVF)
1x custom LEMO 10-pin Ethernet with 24 V power (ETHERNET)
1x Fischer 5-pin Lens Data Display (LDD)
2x Fischer 5-pin Lens Control System (LCS)
1x Fischer 12-pin for CLM-2, CLM-3, CLM-4 or later (IRIS)
1x Fischer 12-pin for CLM-2, CLM-3, CLM-4 or later (FOCUS)
1x Fischer 12-pin for CLM-2, CLM-3, CLM-4 or later (ZOOM)
BNC connectors designed for fast exchange without camera disassembly. These connectors require a special tool.

What's Included:

(1) Arri Alexa XT Camera Body
(1) Codex SxS Adapter
(1) Alexa Electronic Viewfinder
(1) Alexa Gold Mount Batt Back
(2) Cable, Alexa EVF Short
(2) Cable, Alexa EVF Med
(1) Alexa EVF Mounting Bracket
(1) Alexa EVF Ext Bracket
(1) Cable, Alexa Ethernet
(1) Cable, Alexa 12V AKS
(1) Cable, Arri 6' 24V 3 Pin
(1) Alexa Wedge Adapter
(1) Alexa Bridge Plate Adapter
(1) Alexa Leveling Block
(1) Alexa Center Camera Handle
(2) Alexa Handle Extension Bracket
(1) Wiha 3.0x75 Allen Driver
(1) PB Swiss 5.0x150 Allen Tool