Technical Specs:

Mount Type

EF or PL

Sensor

35 mm format ARRI ALEV III CMOS with Bayer pattern color filter array

Recording Media

CFast 2.0 memory cards

Recording Format

ProRes:
S16 HD: 1920 x 1080 (up-sampled from 1600 x 900)
HD: 1920 x 1080
2K Cine 16:9: 2048 x 1152
3.2K: 3200 x 1800
4K UHD: 3840 x 2160 (up-sampled from 3.2K)
4:3 2.8K: 2880 x 2160 (padded to 2944 x 2160)

Anamorphic ProRes formats with 2x in-camera de-squeeze:
HD Anamorphic: 1920 x 1080*
2.39:1 2K Anamorphic: 2048 x 858*

MXF/ARRIRAW (in-camera recording to MXF-wrapped ARRIRAW files):
2.8K 16:9: 2880 x 1620**
Open Gate: 3424 x 2202***

MXF/ARRIRAW Open Gate modes with active image area matching 4:3 ProRes modes:
4:3 2.8K (OG 3.4K): 2880 x 2160 (Recording in Open Gate 3.4K)***
2.39:1 Ana. (OG 3.4K): 2560 x 2145 (Recording in Open Gate 3.4K)***
16:9 HD Ana. (OG 3.4K): 1920 x 2160 (Recording in Open Gate 3.4K)***

*) requires ALEXA Mini 4:3 License Key,
**) requires ALEXA Mini ARRIRAW License Key,
***) requires both ALEXA Mini 4:3 and ARRIRAW Licenses Keys

Resolution

S16 HD: 1600 x 900 (1760 x 980)
HD: 2880 x 1620 (3168 x 1772)
2K: 2868 x 1612 (3154 x 1764)
3.2K: 3200 x 1800 (3424 x 1926)
4K UHD: 3200 x 1800 (3424 x 1926)
4:3 2.8K: 2880 x 2160 (3168 x 2160)
2.39:1 2K Ana.: 2560 x 2145 (3424 x 2202)
HD Ana.: 1920 x 2160 (3424 x 2202)
Open Gate 3.4K: 3424 x 2202 (3424 x 2202)

Frame Rates

16:9
ProRes HD 0.75 - 200 fps
ProRes S16 HD 0.75 - 200 fps
ProRes 2K 0.75 - 200 fps
ProRes 3.2K 0.75 - 60 fps
ProRes UHD 0.75 - 60 fps
MFX/ARRIRAW 16:9 2.8K 0.75 - 48 fps

4:3
ProRes 4:3 2.8K 0.75 - 50 fps

6:5*
ProRes 2:39:1 2K Ana. 0.75 - 120 fps

8:9**
ProRes HD Ana. 0.75 - 120 fps

Open Gate
MFX/ARRIRAW 3.4K Open Gate 0.75 - 30 fps

* 4:3 cropped
** Center crop from anamorphic
(1) Minimum frame rate is always 0.75 fps
(2) The „recording resolution“ determines the number of horizontal pixels that will be recorded (the number of vertical pixels is dependent on the recording file type and sensor mode)

ISO Range

160 to 3200

Weight

5 lbs (2.3 kg) Camera body with titanium PL lens mount.

Output

2x HD-SDI out 1.5G and 3G: uncompressed HD video with embedded audio and metadata, 6G SDI in UHD and 3.2K recording modes.
Timecode (in and output)

Built in ND

Motorized ND filters 0.6, 1.2, 2.1