Sensor Type:
CMOS (ALEV III)

Shutter:
Mechanical

Sensor Dimensions:
ARRI ALEXA SXT Sensor Image 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
4096 x 2636       4K Cine       28.17 mm x 18.13 mm (1.109 in x 0.714 in)
3424 x 2202       3.4K             28.25 mm x 18.17 mm (1.112 in x 0.715 in)

6:5 Mode
4096 x 1716       4K Cine Anamorphic        21.12 mm x 17.70 mm (0.831 in x 0.697 in)
2578 x 2160       2.6K                                     21.38 mm x 17.82 mm (0.842 in x 0.702 in)
2048 x 858         2K Anamorphic                 21.12 mm x 17.70 mm (0.831 in x 0.697 in)

4:3 Mode
2880 x 2160       2.8K             23.76 mm x 17.82 mm (0.935 in x 0.702 in)

16:9 Mode
3840 x 2160       4K UHD       26.40 mm x 14.85 mm (1.039 in x 0.585 in)
3200 x 1800       3.2K             26.40 mm x 14.85 mm (1.039 in x 0.585 in)
3168 x 1782       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                23.76 mm x 13.37 mm (0.935 in x 0.526 in)
1920 x 1080       HD               23.76 mm x 13.37 mm (0.935 in x 0.526 in)

Image Resolution:
4096 x 2636
4096 x 1716
3840 x 2160
3424 x 2202
3200 x 1800
3168 x 1782
2880 x 2160
2880 x 1620
2578 x 2160
2048 x 1152
2048 x 858
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