Arri Alexa M XT

Description

ARRI ALEXA XT M

Overview

The “M” version of the XT family splits the camera into camera head + body, allowing remote or compact positioning of the sensor head (for example in tight spaces).
The XT family introduced the XR Module, which enables in‑camera ARRIRAW recording (in addition to ProRes)
The XT family also supports a switchable 4:3 sensor mode for anamorphic workflows.

Parameter	Value / Notes
Sensor type	ARRI ALEV III CMOS (Bayer pattern)
Sensor formats / active areas	The camera supports multiple sensor “modes” by cropping or switching the readout region: 16:9, 4:3 Full, 4:3 Cropped, and Open Gate.
Example resolutions	• Open Gate: 3414 × 2198 (maximum area) • 4:3 Full: 2880 × 2160 • 4:3 Cropped: 2578 × 2160 (in some modes) • 16:9 / 2.8K: 2880 × 1620 • ProRes / HD modes: downsampled to 1920 × 1080 etc.
Dynamic range / exposure latitude	~14 stops across its sensitivity range (EI 160–3200)
Exposure index / base sensitivity	The camera supports EI settings from ~160 to 3200. Some sources list a “native” sensitivity around 800.

Parameter	Value / Notes
Recording media / slots	1× media slot (for XR Capture Drive or with SxS adapter)
Supported codecs / formats	• ARRIRAW (uncompressed) • ProRes (QuickTime): various flavors (422, 4444 etc.) • MXF / DNxHD (in some modes)
Frame rates / ranges	In 16:9 mode: up to 120 fps (depending on codec and media) In 4:3 / full modes: limits between 48–90 fps (for ARRIRAW) depending on crop/full/open gate. For ProRes and other compressed formats, frame rate ceilings are typically lower.
Shutter	Electronic rolling shutter. – For 0.75 – 60 fps: angle range 5.0° to 358.0° – For >60 fps: up to 356° in some modes. – Precision: 0.1° (1/10 degree) increments
White balance / color control	Presets: 3200K, 4300K, 5600K, 7000K. Also supports manual from 2000–11000K in 100 K steps. Color correction (green/magenta pivot) range ±12 CC units. Outputs and internal color pipelines: Log C (film matrix off/on), Rec 709, DCI P3 support.

Lens mount: 54 mm stainless steel PL mount, with LDS contacts, Super 35 centered. Flange focal depth nominal: 52.00 mm (without FSND filter)
Video outputs: 2x BNC REC OUT (HD‑SDI, 1.5G / 3G) <br> 1x BNC MON OUT (HD‑SDI, 1.5G) for monitoring
Audio input: 1× 5‑pin XLR analog (2-channel, line level)
Power input / draw: The camera supports DC input in the 10.5 V to 34 V range. Typical power draw (camera + EVF) is ~90 W under normal use (ProRes at 24 fps)
Power outputs: 12 V output (up to 2.2 A) and regulated outputs on RS, EXT, Ethernet ports (varies)
Viewfinder: ARRI EVF‑1 (color electronic viewfinder) with low-latency (≤1 frame) microdisplay 1280×784 F‑LCOS (image region 1280×720 plus status bars)
Cooling / environment: Operates between –20 °C to +45 °C (non-condensing). Sealed electronics (dust/splash resistant). Uses internal fan + radiator for cooling.
Physical:
• Dimensions: ~ 332 mm (L) × 161 mm (W) × 158 mm (H)
• Weight: ~ 6.6 kg for body + XR module (no handles, no optics) <br> With EVF-1 and handle: ~ 8.0 kg
Noise / acoustics: Under 19 dB(A) while recording ProRes @ 24 fps at ≤ +30 °C (fan in “Regular” mode)