Sensor Type:
CMOS (ALEV III)

Shutter:
Mechanical

Sensor Dimensions:
ARRI ALEXA XT Sensor Areas
NOTE: This camera crops the sensor to change formats. The imaging area of the sensor is different depending on which format a take was acquired in.

Open Gate Mode
3414 x 2198       Open Gate        28.25 mm x 18.17 mm (1.112 in x 0.715 in)

4:3 Mode
2880 x 2160        Full                 23.76 mm x 17.82 mm (0.935 in x 0.702 in)
2578 x 2160        Cropped        21.27 mm x 17.82 mm (0.837 in x 0.702 in)
2048 x 1536        2K                   23.66 mm x 17.75 mm (0.932 in x 0.699 in)

16:9 Mode
3164 x 1778        3.2K        26.14 mm x 14.70 mm (1.029 in x 0.579 in)
2880 x 1620        2.8K        23.76 mm x 13.37 mm (0.935 in x 0.526 in)
2048 x 1152        2K           23.66 mm x 13.32 mm (0.932 in x 0.524 in)
1920 x 1080        HD          23.76 mm x 13.37 mm (0.935 in x 0.526 in)

Image Resolution:
3414 x 2198
3164 x 1778
2880 x 2160
2880 x 1620
2578 x 2160
2048 x 1152
1920 x 1080

Output Type:
12-bit ARRIRAW
10-bit 1080PsF 4:4:4 RGB (HD-SDI)
10-bit 1080PsF 4:2:2 YCbCr (HD-SDI)
12-bit 2K Apple ProRes
10-bit HD Apple ProRes