User Manual

96 Camera Controls
If media without a valid file system is loaded in the camera, you will be prompted to
format the media. ARRI recommends immediate formatting of media that trigger this
warning.
Apple ProRes
TM
codecs and resolutions
Apple ProRes
TM
codecs supported by the ALEXA:
•
ProRes 422
•
ProRes 422 HQ
•
ProRes 4444
1
•
ProRes 4444 XQ
1
1 Without alpha channel (444 only)
ProRes 422 and ProRes 422 HQ have a bit depth of 10, ProRes 4444 and ProRes
4444 XQ have a bit depth of 12.
The following recording resolutions are supported with Apple ProRes
TM
recording:
Sensor Mode Resolution
HD (1920 x 1080)
2K (2048 x 1152)
3.2K (3200 x 1800)
16:9
4K UHD (3840 x 2160)
2K Anamorphic (2048 x 858)6:5
4K Cine Anamorphic (4096 x 1716)
4:3 2.8K (2880 x 2160)
3.4K (3424 x 2202)Open Gate
4K Cine (4096 x 2636)
ARRIRAW
ARRIRAW recording is possible with SXR Capture Drives and XR Capture Drives.
Note that Codex Transfer Drives cannot be used for recording.
The following recording resolutions are supported with ARRIRAW recording:
Sensor Mode Resolution
2.8K (2880 x 1620)16:9
3.2K (3168 x 1782)
6:5 2.6K (2578 x 2160)
4:3 2.8K (2880 x 2160)
Open Gate 3.4K (3424 x 2202)