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HOME / / Arri / Alexa Classic
Alexa Classic

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More than just a video camera, ALEXA represents an entire image pipeline. By combining proprietary ARRI technology with ubiquitous tools from industry-leading partners, ALEXA stands alone as the most complete and powerful digital production system ever built.

ALEXA has a 3.5K CMOS Imager yielding either a 2K or 1920 X 1080 HD image.  Because of ALEXA's use of the continuously improving ARRI Imaging Technology (AIT), images are sharper and cleaner than other cameras that claim 4K+ resolution.

Native sensitivity of the ALEXA is ISO 800 but the camera can be rated from ISO 200-ISO 1600 while maintaining excellent signal to noise performance.  ALEXA is also capable of high speed frame rates up to 120 fps.

Click here for the Alexa Simulator



Camera Type 35 format film-style digital camera
Frame Rate 0.75 - 60 fps forward only, adjustable with 1/1000 precision.
Aperture Mode Dimensions Aspect Ratio Pixels
Recording ARRIRAW 23.760x13.365 mm / 0.9354x0.5262" 16:9 2880 x 1620
Recording HD 23.760x13.365 mm / 0.9354x0.5262" 16:9 2880 x 1620
Monitoring/EVF 26.136x14.702 mm / 1.0290x0.5788" 16:9 3168 x 1782
Recording Internal to SxS memory cards 1080p Apple ProRes 422 (HQ) or Apple ProRes 4444 QuickTime® HD video with embedded 2-ch audio and ancillary metadata xml-fle.
External via HD-SDI REC OUT ARRIRAW or 1080PsF 4:4:4 rgB/4:2:2 YCbCr HD video. Recording frame rates other than HD standard 23.976, 24, 25, 29.97, 30, 50, 59.94,60 PsF requires a recorder with Variframe support. Recording ARRIRAW requires an ARRIRAW T-Link certifed recorder.
Sound Under 20 dB(A) when recording at temperatures <25 degrees Celsius (77 degrees Fahrenheit) to SxS cards with lens,  measured 1 m/3 feet from the image plane
Power 12 or 24 V DC
Dimensions Length 332 mm/12.95" - body with PL mount
Width 153mm/6.02" - body only
Height 158mm/6.22" - body only
Lens 54 mm PL mount, adjusted for Super 35.
Shutter Electronic shutter, adjustable from 5 to 359° with 1/10th precision.
Viewfinder Electronic color viewfinder with a 1280 x 720 pixel F-LCOS micro display and ARRI LED backlight. Comes with an eyepiece diopter. Optional Viewfinder Extension Bracket VEB-1 and long EVF cable. High-speed interface to camera for very low latency.
Viewing Screen Superimposed format markers (customizable), peripheral image area and camera status. Pixel to pixel display for critical focusing. False color display for easy exposure check. Image can be fipped for use on left or right side of camera.
Connections 1x monitoring out HD-SDI 1.5g (MON OUT) 1x time code (TC)
1x return signal/sync in HD-SDI 1.5g (RET/SYNC IN) 1x headphone jack
1x accessory interface (EXT) 1x audio in XLR 5-pin (AUDIO IN)
2x recording out HD-SDI 3g/1.5g switchable (REC OUT) 1x viewfinder interface (EVF)
1x 24 V power in (BAT) 1x powered network (NET)
2x 24 V accessory power (RS) 1x memory card module
1x 12 V accessory power  

ARRI Alexa 120fps Option
Preston FI+Z G4
Cine VCLX Block Battery
SxS Pro 32GB Memory Card
Odyssey 7Q ARRIRAW License
Angenieux Optimo 24-290 T2.8
Angenieux Optimo 17-80 T2.2
Zeiss Master Prime Lens Set
Odyssey 7Q Monitor Recorder




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