| 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 For a drawing with details about the recording areas, surround views and framelines, page 1 of 2 click here |
| 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 |
| 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. For a detailed table of REC OUT options click here |
| 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. |
| SD Card | For importing and storing ARRI Look Files, camera set up files, frame line files, feature license keys, user pixel masks and custom lens tables for the Lens Data Archive (LDA). Stores captured stills from the REC OUT image path in TIFF (.tif, 16 bit), DPX (.dpx, 10 bit) or JPEG (.jpg, 8 bit) format (1). Stores log files. Also used for installing Software Update Packets (SUPs). |
| Software Tools (apps) | ARRIRAW Converter (ARC) ARRI Look Creator (ALC) ARRI Meta Extract |
| Software Tools (online) | ALEXA Camera Simulator ALEXA Frame Line Composer (AFLC) LUT Generator ALEXA Pocket Guide WebApp |
| Upgrades | The Storage Interface Module can be exchanged for future storage modules. The Electronics Interface Module (available as either regular ALEXA or ALEXA Plus versions) can be exchanged for future control electronics. An easily exchangeable lens mount allows other lenses beyond PL mount lenses to be used. Simple camera software updates via free of charge Software Update Packets (SUPs) and payable license keys – Anamorphic De-squeeze (included), High Speed (included) and DNxHD (included). |
| (1) Frame grabs are not possible during High Speed, 16:9 2K, 16:9 3.2K, 4:3 2K, Open Gate or when the option 'REC OUT = MON OUT Clone' is chosen. | |
| Note: Technical data based on Software Update Packet SUP 11.0 (ALEXA XT/XR). All data subject to change without notice. |
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