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ARRI ALEXA Mini LF User Manual

ARRI ALEXA Mini LF
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Monitoring 86
3. Assign a user button with SDI Zoom (Smart).
The SDI Zoom (Smart) user button activates Zoom on the first button press, further button presses
change the zoom position and a button long press deactivates Zoom.
18.8 SDI Configuration
SDI Format
Both SDI BNC connectors output SDI signals in 1920 x 1080 (422 1.5G, 422 3G, 444 3G) 3840 x 2160
(422 6G) according to SMPTE standards 292M, ST 424:2012 and ST 2081.
1. Select MENU > Monitoring > SDI > SDI 1 Format or
2. Select MENU > Monitoring > SDI > SDI 2 Format.
The following SDI formats are available:
Format Resolution Sampling Fps SMPTE Standard
422 1.5G HD 1920 x 1080 4:2:2 YCbCr 23.976 p/psf
24 p/psf
25 p/psf
29.97 p/psf
30 p/psf
422 3G HD 1920 x 1080 4:2:2 YCbCr 48 p**
50 p
59.94 p
60 p
SMPTE ST 292
444 3G HD 1920 x 1080 4:4:4 RGB 23.976 p
24 p
25 p
29.97 p
30 p
422 6G UHD* 3840 x 2160 4:2:2 YCbCr 23.976 p
24 p
25 p
29.97 p
30 p
3. Set the desired SDI format.
* not available for LF 16:9 HD and LF 16:9 2K mode.
**48p may not be supported by some SDI devices, as this is not a defined frame rate according to the
SMPTE standard.
SDI Processing
You can configure the SDI processing elements.
Select MENU > Monitoring > SDI > SDI Processing.
Following options are available:

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ARRI ALEXA Mini LF Specifications

General IconGeneral
Sensor Size36.70 x 25.54 mm
Resolution4448 x 3096
Dynamic Range14+ stops
Shutter TypeElectronic rolling shutter
Base ISO800
Recording FormatsARRIRAW, Apple ProRes
Lens MountLPL Mount (PL Mount via adapter)
WeightApprox. 2.6 kg / 5.7 lbs (camera body with LPL lens mount)
Frame Rates0.75 - 60 fps
Power ConsumptionApprox. 65 W (typical)
ISO Range160 to 3200

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